Revision 44006 trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.api/src/main/java/org/gvsig/expressionevaluator/spi/AbstractFunction.java
| AbstractFunction.java | ||
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package org.gvsig.expressionevaluator.spi; |
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import java.io.InputStream; |
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import java.net.URL; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Locale; |
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import java.util.Objects; |
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import org.apache.commons.io.IOUtils; |
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import org.apache.commons.lang3.BooleanUtils; |
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import org.apache.commons.lang3.Range; |
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import org.apache.commons.lang3.StringUtils; |
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import org.apache.commons.math.util.MathUtils; |
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import org.gvsig.expressionevaluator.Code; |
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import org.gvsig.expressionevaluator.Code.Caller.Arguments; |
| ... | ... | |
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import org.gvsig.expressionevaluator.Interpreter; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.json.JSONArray; |
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import org.json.JSONObject; |
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@SuppressWarnings("UseSpecificCatch")
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public abstract class AbstractFunction implements Function {
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private final String name; |
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private final String group;
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private final Range argc;
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private final String description;
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private final String[] descriptionArgs;
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private String group; |
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private Range argc; |
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private String description; |
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private String[] descriptionArgs; |
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private List<String> alias; |
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private String template; |
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private String returnType; |
| ... | ... | |
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this.descriptionArgs = descriptionArgs; |
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this.returnType = returnType; |
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this.sqlCompatible = sqlCompatible; |
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load_from_resource(); |
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} |
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protected AbstractFunction(String group, String name, Range argc, String description, String template, String[] descriptionArgs, String returnType) {
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this(group, name, argc, description, template, descriptionArgs, returnType, false); |
| ... | ... | |
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@Override |
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public void addAlias(String name) {
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if( StringUtils.isBlank(name) ) {
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return; |
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} |
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if( this.alias == null ) {
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this.alias = new ArrayList<>(); |
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} |
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if( this.alias.contains(name) ) {
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return; |
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} |
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this.alias.add(name); |
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} |
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|
| ... | ... | |
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} |
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return BooleanUtils.toBoolean(value.toString()); |
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} |
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private void load_from_resource() {
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String lang = Locale.getDefault().getLanguage(); |
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URL url = this.getClass().getResource("/org/gvsig/expressionevaluator/functions/"+lang+"/"+this.name()+".json");
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if( url == null ) {
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url = this.getClass().getResource("/org/gvsig/expressionevaluator/functions/en/"+this.name()+".json");
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if( url == null ) {
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return; |
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} |
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} |
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InputStream is = null; |
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JSONObject json; |
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try {
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is = url.openStream(); |
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List<String> lines = IOUtils.readLines(is); |
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json = new JSONObject(StringUtils.join(lines, "\n")); |
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} catch (Exception ex) {
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return; |
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} finally {
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IOUtils.closeQuietly(is); |
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} |
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if( json.has("group") ) {
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this.group = json.getString("group");
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} |
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if( json.has("description") ) {
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Object x = json.get("description");
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if( x instanceof String ) {
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this.description = (String) x; |
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} else if( x instanceof JSONArray ) {
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StringBuilder builder = new StringBuilder(); |
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for (int i = 0; i < ((JSONArray)x).length(); i++) {
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if( i>0 ) {
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builder.append(" ");
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} |
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builder.append(((JSONArray)x).getString(i)); |
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} |
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this.description = builder.toString(); |
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} else {
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this.description = x.toString(); |
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} |
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this.description = StringUtils.replace( |
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this.description, |
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"@@@", |
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url.toString() |
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); |
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} |
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if( json.has("template") ) {
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this.template = json.getString("template");
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} |
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if( json.has("returnType") ) {
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this.returnType = json.getString("returnType");
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} |
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if( json.has("sqlCompatible") ) {
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this.sqlCompatible = json.getBoolean("sqlCompatible");
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} |
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if( json.has("args") ) {
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JSONArray x = json.getJSONArray("args");
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String[] args = new String[x.length()]; |
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for (int i = 0; i < x.length(); i++) {
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args[i] = x.getString(i); |
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} |
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this.descriptionArgs = args; |
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} |
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if( json.has("alias") ) {
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JSONArray x = json.getJSONArray("alias");
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for (int i = 0; i < x.length(); i++) {
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this.addAlias(x.getString(i)); |
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} |
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} |
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} |
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} |
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