Revision 43939 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/AbstractSymbolTable.java
| AbstractSymbolTable.java | ||
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package org.gvsig.expressionevaluator.impl; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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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 org.apache.commons.lang3.StringUtils; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
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import org.gvsig.expressionevaluator.Function; |
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import org.gvsig.expressionevaluator.SymbolTable; |
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import org.gvsig.expressionevaluator.impl.function.ScriptFunction; |
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protected Map<String, Function> functions; |
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protected SymbolTable delegatedSymbolTable; |
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protected Script script = null; |
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public AbstractSymbolTable() {
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this.functions = new HashMap<>(); |
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} |
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@SuppressWarnings("OverridableMethodCallInConstructor")
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public AbstractSymbolTable(SymbolTable delegatedSymbolTable) {
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this(); |
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this.delegatedSymbolTable = delegatedSymbolTable; |
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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this.addFunctions(manager.getAllOperators().values()); |
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} |
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@Override |
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other.functions = new HashMap<>(functions); |
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return other; |
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} |
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@Override |
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public Script getScript() {
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return this.script; |
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} |
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@Override |
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public void setScript(String name) {
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ScriptManager scriptManager = ToolsLocator.getScriptManager(); |
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this.script = scriptManager.locateScript(name); |
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} |
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@Override |
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public void setScript(Script script) {
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this.script = script; |
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} |
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public void addFunction(Function function) {
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this.functions.put(function.name(), function); |
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} |
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@Override |
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public Function function(String name) {
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Function fn = this.functions.get(name); |
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if( StringUtils.isEmpty(name) ) {
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return null; |
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} |
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Function fn = this.functions.get(name.toUpperCase()); |
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if( fn == null ) {
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if( this.delegatedSymbolTable != null ) {
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fn = this.delegatedSymbolTable.function(name); |
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fn = this.delegatedSymbolTable.function(name.toUpperCase());
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} |
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if( fn == null && this.script != null ) {
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fn = new ScriptFunction(this.script, name); |
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} |
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} |
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return fn; |
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} |
| ... | ... | |
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public void removeFunction(String name) {
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this.functions.remove(name); |
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} |
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public void addFunctions(Collection<Function> functions) {
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for (Function function : functions) {
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this.addFunction(function); |
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} |
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} |
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} |
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