svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libTools / src / org / gvsig / tools / persistence / impl / AbstractPersistenceManager.java @ 30619
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package org.gvsig.tools.persistence.impl; |
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import java.util.Collections; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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import java.util.TreeSet; |
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import java.util.Map.Entry; |
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import java.util.regex.Pattern; |
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import org.gvsig.tools.dynobject.DynClass; |
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import org.gvsig.tools.dynobject.DynObject; |
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import org.gvsig.tools.dynobject.DynStruct; |
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import org.gvsig.tools.dynobject.exception.DynFieldNotFoundException; |
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import org.gvsig.tools.dynobject.exception.DynMethodException; |
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import org.gvsig.tools.dynobject.exception.DynObjectValidateException; |
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import org.gvsig.tools.persistence.PersistenceClassNotRegistered; |
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import org.gvsig.tools.persistence.PersistenceCreateException; |
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import org.gvsig.tools.persistence.PersistenceException; |
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import org.gvsig.tools.persistence.PersistenceFactory; |
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import org.gvsig.tools.persistence.PersistenceManager; |
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import org.gvsig.tools.persistence.PersistenceRuntimeException; |
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import org.gvsig.tools.persistence.PersistenceTypeNotSupportedException; |
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import org.gvsig.tools.persistence.PersistenceValidateExceptions; |
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import org.gvsig.tools.persistence.Persistent; |
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import org.gvsig.tools.persistence.PersistentState; |
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import org.gvsig.tools.persistence.impl.exception.PersistenceInvalidValidateModeException; |
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import org.gvsig.tools.persistence.impl.exception.PersistenceValidateMissingDefinitionException; |
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public abstract class AbstractPersistenceManager implements |
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ImplementationPersistenceManager {
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public static final String DEFAULT_DOMAIN_URL = "http://www.gvsig.org"; |
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public static final String DEFAULT_DOMAIN_NAME = "gvSIG"; |
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public static final Pattern VALID_DOMAIN_NAME_PATTERN = Pattern |
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.compile("[\\w][\\d\\w_]*");
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protected Map classes; |
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protected Map domainsURL; |
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protected int autoValidationMode = PersistenceManager.DISABLED; |
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private class ClassInfo { |
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public DynStruct definition = null; |
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public String domainName = null; |
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public Object theClass = null; |
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} |
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protected AbstractPersistenceManager() {
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classes = new HashMap(); |
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domainsURL = new HashMap(); |
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} |
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public void addAlias(String name, Class aClass) |
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throws PersistenceClassNotRegistered {
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ClassInfo info = (ClassInfo) classes.get(aClass.getName()); |
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if (info == null) { |
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throw new PersistenceClassNotRegistered(aClass.getName()); |
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} |
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classes.put(name, info); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#createInstaceOfObject(org.gvsig.tools.persistence.PersistentState)
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*/
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public Object createInstaceOfObject(PersistentState state, Class classOfState, PersistenceFactory factory) |
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throws PersistenceException, PersistenceCreateException,
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PersistenceClassNotRegistered {
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// TODO IMPLEMENTAR FACTORY
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String className = state.getTheClassName();
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if (className == null) { |
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throw new PersistenceException("The class name is not stored in the state."); |
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} |
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try {
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Class theClass;
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ClassInfo info = (ClassInfo) classes.get(className); |
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if (info == null) { |
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throw new PersistenceClassNotRegistered(className); |
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} |
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Object x = info.theClass;
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if (x instanceof Class) { |
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theClass = (Class) x;
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} else if (x instanceof String) { |
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theClass = Class.forName((String) x); |
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} else { // x is null |
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theClass = Class.forName(className);
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} |
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return theClass.newInstance();
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} catch (ClassNotFoundException e) { |
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throw new PersistenceCreateException(state, e); |
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} catch (InstantiationException e) { |
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throw new PersistenceCreateException(state, e); |
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} catch (IllegalAccessException e) { |
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throw new PersistenceCreateException(state, e); |
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} |
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} |
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public Object create(PersistentState state) throws PersistenceException { |
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String className = state.getTheClassName();
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if (className == null) { |
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throw new PersistenceException("The class name is not stored in the state."); |
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} |
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ImplementationPersistentState iState =(ImplementationPersistentState) state; |
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PersistentContext context = iState.getContext(); |
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context.clearInstances(); |
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Class classOfObj = getClassOf(state);
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PersistenceFactory factory = getFactoryFor(state); |
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Object obj = createInstaceOfObject(state, classOfObj, factory);
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this.loadFromState(obj, state, factory);
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context.setObject(iState.getId(), obj); |
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return obj;
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} |
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public void registerClass(Class persistentClass, DynStruct definition) { |
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registerClass(persistentClass, definition, null);
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} |
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public DynStruct getDefinition(Class persistentClass) { |
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return getDefinition(persistentClass.getName());
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} |
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/* (non-Javadoc)
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* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#getDefinition(java.lang.String)
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*/
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public DynStruct getDefinition(String persistentClassName) { |
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ClassInfo info = (ClassInfo) classes.get(persistentClassName); |
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if (info == null) { |
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return null; |
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} |
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return info.definition;
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} |
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public Iterator getPersistentClasses() { |
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Iterator iter = classes.values().iterator();
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Set classesSet = new TreeSet(); |
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ClassInfo info; |
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while (iter.hasNext()) {
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info = (ClassInfo) iter.next(); |
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classesSet.add(info.theClass); |
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} |
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return classesSet.iterator();
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.tools.persistence.PersistenceManager#validate(org.gvsig.tools
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* .persistence.PersistentState)
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*/
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public void validateAll(PersistentState state) |
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throws PersistenceValidateExceptions {
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validateAll(state, this.autoValidationMode);
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} |
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public void validate(PersistentState state) |
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throws PersistenceValidateExceptions {
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PersistenceValidateExceptions exceptionList = new PersistenceValidateExceptions();
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DynStruct curDefinition; |
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DynObjectToPersistentStateAdapter dynAdapter = new DynObjectToPersistentStateAdapter();
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curDefinition = this.getDefinition(state.getTheClassName());
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if (curDefinition == null) { |
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exceptionList |
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.add(new PersistenceValidateMissingDefinitionException(
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state.getTheClassName())); |
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} |
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dynAdapter.setData(state, curDefinition); |
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try {
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curDefinition.validate(dynAdapter); |
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} catch (DynObjectValidateException e) {
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exceptionList.add(e); |
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} |
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if (exceptionList.size() > 0) { |
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throw exceptionList;
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} |
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} |
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public void validateAll(PersistentState state, int mode) |
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throws PersistenceValidateExceptions {
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if (mode == PersistenceManager.DISABLED){
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return;
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} |
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PersistenceValidateExceptions exceptionList = new PersistenceValidateExceptions();
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PersistentContext context = ((ImplementationPersistentState) state) |
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.getContext(); |
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Iterator statesIter = context.statesIterator();
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ImplementationPersistentState curState; |
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DynStruct curDefinition; |
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DynObjectToPersistentStateAdapter dynAdapter = new DynObjectToPersistentStateAdapter();
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while (statesIter.hasNext()) {
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curState = (ImplementationPersistentState) statesIter.next(); |
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curDefinition = this.getDefinition(curState.getTheClassName());
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if (curDefinition == null){ |
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if (mode == PersistenceManager.MANDATORY){
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exceptionList |
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.add(new PersistenceValidateMissingDefinitionException(
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curState.getTheClassName())); |
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} |
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continue;
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} |
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dynAdapter.setData(curState, curDefinition); |
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try {
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curDefinition.validate(dynAdapter); |
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} catch (DynObjectValidateException e) {
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exceptionList.add(e); |
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} |
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} |
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if (exceptionList.size() > 0) { |
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throw exceptionList;
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} |
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} |
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private class DynObjectToPersistentStateAdapter implements DynObject { |
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private PersistentState state;
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private DynStruct struct;
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public void setData(PersistentState state, DynStruct struct) { |
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this.state = state;
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this.struct = struct;
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} |
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public void delegate(DynObject dynObject) { |
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// Nothing to do
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} |
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public DynClass getDynClass() {
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// Nothing to do
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return null; |
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} |
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public Object getDynValue(String name) throws DynFieldNotFoundException { |
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try {
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return state.get(name);
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} catch (PersistenceException e) {
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throw new DynFieldNotFoundException(name, struct.getName()); |
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} |
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} |
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public boolean hasDynValue(String name) { |
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return state.hasValue(name);
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} |
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public void implement(DynClass dynClass) { |
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// Nothing to do
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} |
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public Object invokeDynMethod(String name, DynObject context) |
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throws DynMethodException {
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// Nothing to do
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return null; |
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} |
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public Object invokeDynMethod(int code, DynObject context) |
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throws DynMethodException {
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// Nothing to do
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return null; |
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} |
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public void setDynValue(String name, Object value) |
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throws DynFieldNotFoundException {
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// Nothing to do
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} |
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} |
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public int getAutoValidation() { |
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return autoValidationMode;
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} |
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public void setAutoValidation(int validationMode) throws PersistenceException { |
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switch (validationMode) {
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case DISABLED:
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case MANDATORY:
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case MANDATORY_IF_DECLARED:
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autoValidationMode = validationMode; |
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break;
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default:
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throw new PersistenceInvalidValidateModeException(validationMode); |
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} |
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} |
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public PersistentState getState(Object obj) |
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throws PersistenceException, PersistenceValidateExceptions, PersistenceTypeNotSupportedException {
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PersistentContext context = new DefaultPersistentContext(this); |
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ImplementationPersistentState state = createState(obj, context); |
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context.setRoot(state.getId()); |
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this.validateAll(state, this.autoValidationMode); |
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return state;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#createState(org.gvsig.tools.persistence.Persistent, org.gvsig.tools.persistence.impl.PersistentContext)
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*/
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public ImplementationPersistentState createState(Object theOriginal, |
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PersistentContext context) |
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throws PersistenceException,
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PersistenceClassNotRegistered, PersistenceTypeNotSupportedException {
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ImplementationPersistentState state = createPersistentStateInstance(context); |
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String theClass = theOriginal.getClass().getName();
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state.setTheClassName(theClass); |
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if (!classes.containsKey(theClass)) {
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throw new PersistenceClassNotRegistered(theClass); |
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} |
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context.addReference(theOriginal, state); |
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PersistenceFactory factory = getFactoryFor(theOriginal); |
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if (factory != null) { |
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factory.saveToState(state, theOriginal); |
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} else {
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if (theOriginal instanceof Persistent) { |
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((Persistent) theOriginal).saveToState(state); |
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} else {
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throw new PersistenceTypeNotSupportedException(theOriginal |
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.getClass()); |
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} |
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} |
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return state;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#createPersistentStateInstance(org.gvsig.tools.persistence.impl.PersistentContext)
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*/
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public abstract ImplementationPersistentState createPersistentStateInstance( |
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PersistentContext context); |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#
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* createPersistentContext()
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*/
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public PersistentContext createPersistentContext() {
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return new DefaultPersistentContext(this); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#
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* createrObjectReference(java.lang.Integer)
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*/
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public ObjectReference createrObjectReference(Integer id) { |
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return new DefaultObjectReference(id); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.tools.persistence.PersistenceManager#registerClass(java.lang
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* .Class)
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*/
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public void registerClass(Class persistentClass) { |
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registerClass(persistentClass, null, null, null); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see
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* org.gvsig.tools.persistence.PersistenceManager#unregisterClass(java.lang
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* .Class)
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*/
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public void unregisterClass(Class persistentClass) { |
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classes.remove(persistentClass.getName()); |
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} |
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/*
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* (non-Javadoc)
|
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*
|
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* @see
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* org.gvsig.tools.persistence.PersistenceManager#unregisterClass(java.lang
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* .String)
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*/
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public void unregisterClass(String className) { |
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classes.remove(className); |
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} |
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|
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/*
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* (non-Javadoc)
|
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*
|
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* @see
|
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* org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#createList
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* (java.util.List, org.gvsig.tools.persistence.impl.PersistentContext)
|
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*/
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public List createList(List list, PersistentContext context) { |
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return new DelegatedList(list, this, context); |
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} |
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|
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/*
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* (non-Javadoc)
|
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*
|
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* @see
|
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* org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#createMap
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* (java.util.Map, org.gvsig.tools.persistence.impl.PersistentContext)
|
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*/
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public Map createMap(Map map, PersistentContext context) { |
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return new DelegatedMap(map, this, context); |
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} |
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|
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/*
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* (non-Javadoc)
|
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*
|
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* @see
|
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* org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#createSet
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* (java.util.Set, org.gvsig.tools.persistence.impl.PersistentContext)
|
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*/
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public Set createSet(Set set, PersistentContext context) { |
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return new DelegatedSet(set, this, context); |
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} |
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|
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/*
|
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* (non-Javadoc)
|
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*
|
| 442 |
* @see
|
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* org.gvsig.tools.persistence.PersistenceManager#registerClass(java.lang
|
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* .Class, org.gvsig.tools.dynobject.DynStruct, java.lang.String)
|
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*/
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public void registerClass(Class persistentClass, DynStruct definition, |
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String domainName) {
|
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|
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registerClass(persistentClass, definition, domainName, null);
|
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|
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} |
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|
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/*
|
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* (non-Javadoc)
|
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*
|
| 456 |
* @see
|
| 457 |
* org.gvsig.tools.persistence.PersistenceManager#registerClass(java.lang
|
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* .Class, org.gvsig.tools.dynobject.DynStruct, java.lang.String)
|
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*/
|
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public void registerClass(Class persistentClass, DynStruct definition, |
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String domainName, String domainURL) { |
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String domainURLStored = (String) domainsURL.get(domainName); |
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String domainURLToUse;
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ClassInfo info = new ClassInfo();
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info.definition = definition; |
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info.theClass = persistentClass; |
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if (domainName == null) { |
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info.domainName = DEFAULT_DOMAIN_NAME; |
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domainURLToUse = DEFAULT_DOMAIN_URL; |
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} else {
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if (!VALID_DOMAIN_NAME_PATTERN.matcher(domainName).matches()) {
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throw new PersistenceRuntimeException( |
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"invalid domain name identifier: '" + domainName + "'"); |
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} |
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info.domainName = domainName; |
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if (domainURL == null) { |
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if (domainURLStored == null) { |
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domainURLToUse = DEFAULT_DOMAIN_URL; |
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} else {
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domainURLToUse = domainURLStored; |
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} |
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} else {
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domainURLToUse = domainURL; |
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} |
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} |
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|
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if (domainURLStored == null) { |
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domainsURL.put(info.domainName, domainURLToUse); |
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} else if (!domainURLStored.equals(domainURLToUse)){ |
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throw new PersistenceRuntimeException("Domain URL conflict in " |
| 492 |
+ info.domainName + ": " + domainURLStored + " " |
| 493 |
+ domainURLToUse); |
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} |
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|
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classes.put(persistentClass.getName(), info); |
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|
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|
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} |
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|
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|
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/*
|
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* (non-Javadoc)
|
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*
|
| 505 |
* @see
|
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* org.gvsig.tools.persistence.PersistenceManager#registerFactory(org.gvsig
|
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* .tools.persistence.PersistenceFactory)
|
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*/
|
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public void registerFactory(PersistenceFactory factory) { |
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// TODO Auto-generated method stub
|
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|
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} |
| 513 |
|
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/*
|
| 515 |
* (non-Javadoc)
|
| 516 |
*
|
| 517 |
* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#
|
| 518 |
* getFactoryFor(java.lang.Object)
|
| 519 |
*/
|
| 520 |
public PersistenceFactory getFactoryFor(Object object) { |
| 521 |
// TODO Auto-generated method stub
|
| 522 |
return null; |
| 523 |
} |
| 524 |
|
| 525 |
/*
|
| 526 |
* (non-Javadoc)
|
| 527 |
*
|
| 528 |
* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#
|
| 529 |
* getFactoryFor(org.gvsig.tools.persistence.PersistentState)
|
| 530 |
*/
|
| 531 |
public PersistenceFactory getFactoryFor(PersistentState state) {
|
| 532 |
// TODO Auto-generated method stub
|
| 533 |
return null; |
| 534 |
} |
| 535 |
|
| 536 |
/*
|
| 537 |
* (non-Javadoc)
|
| 538 |
*
|
| 539 |
* @see
|
| 540 |
* org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#getClassOf
|
| 541 |
* (org.gvsig.tools.persistence.PersistentState)
|
| 542 |
*/
|
| 543 |
public Class getClassOf(PersistentState state) { |
| 544 |
// TODO Auto-generated method stub
|
| 545 |
return null; |
| 546 |
} |
| 547 |
|
| 548 |
/*
|
| 549 |
* (non-Javadoc)
|
| 550 |
*
|
| 551 |
* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#
|
| 552 |
* getFactoryFor(java.lang.Class)
|
| 553 |
*/
|
| 554 |
public PersistenceFactory getFactoryFor(Class klass) { |
| 555 |
// TODO Auto-generated method stub
|
| 556 |
return null; |
| 557 |
} |
| 558 |
|
| 559 |
/*
|
| 560 |
* (non-Javadoc)
|
| 561 |
*
|
| 562 |
* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#
|
| 563 |
* loadFromState(java.lang.Object,
|
| 564 |
* org.gvsig.tools.persistence.PersistentState,
|
| 565 |
* org.gvsig.tools.persistence.PersistenceFactory)
|
| 566 |
*/
|
| 567 |
public void loadFromState(Object obj, PersistentState state, |
| 568 |
PersistenceFactory factory) throws PersistenceException {
|
| 569 |
if (factory != null) { |
| 570 |
factory.loadFromState(state, obj); |
| 571 |
return;
|
| 572 |
} else if (obj instanceof Persistent) { |
| 573 |
((Persistent) obj).loadFromState(state); |
| 574 |
|
| 575 |
} else {
|
| 576 |
throw new PersistenceTypeNotSupportedException(obj.getClass()); |
| 577 |
} |
| 578 |
|
| 579 |
} |
| 580 |
|
| 581 |
/*
|
| 582 |
* (non-Javadoc)
|
| 583 |
*
|
| 584 |
* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#
|
| 585 |
* getDomainName(java.lang.String)
|
| 586 |
*/
|
| 587 |
public String getDomainName(String theClassName) |
| 588 |
throws PersistenceClassNotRegistered {
|
| 589 |
ClassInfo info = (ClassInfo) classes.get(theClassName); |
| 590 |
if (info == null) { |
| 591 |
throw new PersistenceClassNotRegistered(theClassName); |
| 592 |
} |
| 593 |
return info.domainName;
|
| 594 |
} |
| 595 |
|
| 596 |
/*
|
| 597 |
* (non-Javadoc)
|
| 598 |
*
|
| 599 |
* @see
|
| 600 |
* org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#getDomains
|
| 601 |
* ()
|
| 602 |
*/
|
| 603 |
public Map getDomains() { |
| 604 |
return Collections.unmodifiableMap(domainsURL); |
| 605 |
} |
| 606 |
|
| 607 |
/*
|
| 608 |
* (non-Javadoc)
|
| 609 |
*
|
| 610 |
* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#
|
| 611 |
* getDomainURL(java.lang.String)
|
| 612 |
*/
|
| 613 |
public String getDomainURL(String domainName) { |
| 614 |
return (String) domainsURL.get(domainName); |
| 615 |
} |
| 616 |
|
| 617 |
/*
|
| 618 |
* (non-Javadoc)
|
| 619 |
*
|
| 620 |
* @see org.gvsig.tools.persistence.impl.ImplementationPersistenceManager#
|
| 621 |
* getDomainDefinitions(java.lang.String)
|
| 622 |
*/
|
| 623 |
public Map getDomainDefinitions(String domainName) { |
| 624 |
if (!domainsURL.containsKey(domainName)) {
|
| 625 |
throw new PersistenceRuntimeException("Domain not registered"); |
| 626 |
} |
| 627 |
Map definitions = new HashMap(); |
| 628 |
Entry entry; |
| 629 |
ClassInfo info; |
| 630 |
Iterator iter = classes.entrySet().iterator();
|
| 631 |
while (iter.hasNext()) {
|
| 632 |
entry = (Entry) iter.next(); |
| 633 |
info = (ClassInfo) entry.getValue(); |
| 634 |
if (domainName.equals(info.domainName)) {
|
| 635 |
definitions.put(entry.getKey(), info.definition); |
| 636 |
} |
| 637 |
} |
| 638 |
return definitions;
|
| 639 |
} |
| 640 |
} |