Revision 43983 trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.impl/src/main/java/org/gvsig/expressionevaluator/impl/DefaultSymbolTable.java
| DefaultSymbolTable.java | ||
|---|---|---|
| 1 |
|
|
| 2 | 1 |
package org.gvsig.expressionevaluator.impl; |
| 3 | 2 |
|
| 3 |
import org.gvsig.expressionevaluator.spi.AbstractSymbolTable; |
|
| 4 |
import java.util.ArrayList; |
|
| 5 |
import java.util.Collection; |
|
| 4 | 6 |
import java.util.HashMap; |
| 5 |
import java.util.Iterator; |
|
| 6 |
import java.util.Map; |
|
| 7 | 7 |
import org.apache.commons.lang3.StringUtils; |
| 8 | 8 |
import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
| 9 | 9 |
import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
| 10 | 10 |
import org.gvsig.expressionevaluator.Function; |
| 11 |
import org.gvsig.expressionevaluator.SymbolTable; |
|
| 12 | 11 |
import org.gvsig.expressionevaluator.MutableSymbolTable; |
| 13 |
import org.gvsig.expressionevaluator.Scripts; |
|
| 14 |
import org.gvsig.expressionevaluator.impl.function.ScriptFunction; |
|
| 12 |
import org.gvsig.tools.script.Script; |
|
| 15 | 13 |
|
| 14 |
/** |
|
| 15 |
* |
|
| 16 |
* @author jjdelcerro |
|
| 17 |
*/ |
|
| 18 |
public class DefaultSymbolTable |
|
| 19 |
extends AbstractSymbolTable |
|
| 20 |
implements MutableSymbolTable |
|
| 21 |
{
|
|
| 16 | 22 |
|
| 17 |
public class DefaultSymbolTable extends AbstractSymbolTable implements MutableSymbolTable {
|
|
| 18 | 23 |
|
| 19 |
private Map<String,Object> vars; |
|
| 20 |
protected DefaultScripts scripts = null; |
|
| 21 |
|
|
| 22 | 24 |
public DefaultSymbolTable() {
|
| 23 |
this(null); |
|
| 24 |
} |
|
| 25 |
|
|
| 26 |
public DefaultSymbolTable(SymbolTable delegatedSymbolTable) {
|
|
| 27 |
super(delegatedSymbolTable); |
|
| 25 |
super(); |
|
| 28 | 26 |
this.vars = new HashMap<>(); |
| 29 |
this.scripts = new DefaultScripts(); |
|
| 27 |
this.functions = new HashMap<>(); |
|
| 28 |
this.scripts = new ArrayList<>(); |
|
| 30 | 29 |
this.init(); |
| 31 | 30 |
} |
| 32 |
|
|
| 33 |
private void init() {
|
|
| 31 |
|
|
| 32 |
protected final void init() {
|
|
| 34 | 33 |
ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
| 35 |
this.addFunctions(manager.getAllFunctions().values());
|
|
| 36 |
this.addFunctions(manager.getAllOperators().values());
|
|
| 34 |
this.addSymbolTable(manager.getSymbolTable("SQL"));
|
|
| 35 |
this.addSymbolTable(manager.getSymbolTable("OGC"));
|
|
| 37 | 36 |
} |
| 38 | 37 |
|
| 39 | 38 |
@Override |
| 40 |
public MutableSymbolTable clone() throws CloneNotSupportedException {
|
|
| 41 |
DefaultSymbolTable other = (DefaultSymbolTable) super.clone();
|
|
| 42 |
other.vars = new HashMap<>(vars);
|
|
| 43 |
other.scripts =(DefaultScripts) scripts.clone();
|
|
| 44 |
return other;
|
|
| 39 |
public void setVar(String name, Object value) {
|
|
| 40 |
if( StringUtils.isEmpty(name) ) {
|
|
| 41 |
throw new IllegalArgumentException("name can't be null");
|
|
| 42 |
}
|
|
| 43 |
this.vars.put(name.toUpperCase(), value);
|
|
| 45 | 44 |
} |
| 46 | 45 |
|
| 47 | 46 |
@Override |
| 48 |
public Function function(String name) {
|
|
| 49 |
if( StringUtils.isEmpty(name) ) {
|
|
| 50 |
return null;
|
|
| 47 |
public void addFunction(Function function) {
|
|
| 48 |
if( function==null ) {
|
|
| 49 |
throw new IllegalArgumentException("function can't be null");
|
|
| 51 | 50 |
} |
| 52 |
Function fn = super.function(name); |
|
| 53 |
if( fn == null && !this.scripts.isEmpty() ) {
|
|
| 54 |
fn = new ScriptFunction(this.scripts, name); |
|
| 55 |
} |
|
| 56 |
return fn; |
|
| 51 |
this.functions.put(function.name().toUpperCase(), function); |
|
| 57 | 52 |
} |
| 58 |
|
|
| 53 |
|
|
| 59 | 54 |
@Override |
| 60 |
public void setVar(String name, Object value) {
|
|
| 61 |
this.vars.put(name, value); |
|
| 55 |
public void addFunctions(Collection<Function> functions) {
|
|
| 56 |
for (Function function : functions) {
|
|
| 57 |
this.addFunction(function); |
|
| 58 |
} |
|
| 62 | 59 |
} |
| 63 | 60 |
|
| 64 | 61 |
@Override |
| 65 |
public boolean exists(String name) {
|
|
| 66 |
boolean e = this.vars.containsKey(name); |
|
| 67 |
if( !e ) {
|
|
| 68 |
e = this.delegatedSymbolTable.exists(name); |
|
| 62 |
public void removeVar(String name) {
|
|
| 63 |
if( StringUtils.isEmpty(name) ) {
|
|
| 64 |
throw new IllegalArgumentException("name can't be null");
|
|
| 69 | 65 |
} |
| 70 |
return e;
|
|
| 66 |
this.vars.remove(name.toUpperCase());
|
|
| 71 | 67 |
} |
| 72 | 68 |
|
| 73 | 69 |
@Override |
| 74 |
public Object value(String name) {
|
|
| 75 |
if( this.vars.containsKey(name) ) {
|
|
| 76 |
return this.vars.get(name);
|
|
| 70 |
public void removeFunction(String name) {
|
|
| 71 |
if( StringUtils.isEmpty(name) ) {
|
|
| 72 |
throw new IllegalArgumentException("name can't be null");
|
|
| 77 | 73 |
} |
| 78 |
return this.delegatedSymbolTable.value(name);
|
|
| 74 |
this.functions.remove(name.toUpperCase());
|
|
| 79 | 75 |
} |
| 80 | 76 |
|
| 81 | 77 |
@Override |
| 82 |
public void removeVar(String name) {
|
|
| 83 |
this.vars.remove(name); |
|
| 78 |
public void addScript(Script script) {
|
|
| 79 |
if( script == null ) {
|
|
| 80 |
throw new IllegalArgumentException("script can't be null");
|
|
| 81 |
} |
|
| 82 |
if (this.scripts.contains(script)) {
|
|
| 83 |
return; |
|
| 84 |
} |
|
| 85 |
this.scripts.add(script); |
|
| 84 | 86 |
} |
| 85 | 87 |
|
| 86 | 88 |
@Override |
| 87 |
public Iterator<String> itervars() {
|
|
| 88 |
return this.vars.keySet().iterator(); |
|
| 89 |
public void removeScript(Script script) {
|
|
| 90 |
if( script == null ) {
|
|
| 91 |
throw new IllegalArgumentException("script can't be null");
|
|
| 92 |
} |
|
| 93 |
this.scripts.remove(script); |
|
| 89 | 94 |
} |
| 90 | 95 |
|
| 91 | 96 |
@Override |
| 92 |
public Scripts getScripts() {
|
|
| 93 |
return this.scripts;
|
|
| 97 |
public MutableSymbolTable clone() throws CloneNotSupportedException {
|
|
| 98 |
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
|
|
| 94 | 99 |
} |
| 95 | 100 |
|
| 96 | 101 |
} |
Also available in: Unified diff