Revision 44139 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/DefaultExpressionEvaluatorManager.java
| DefaultExpressionEvaluatorManager.java | ||
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package org.gvsig.expressionevaluator.impl; |
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import org.gvsig.expressionevaluator.Grammar; |
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import org.gvsig.expressionevaluator.GrammarFactory; |
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import java.util.Collection; |
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import java.util.HashMap; |
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import java.util.Map; |
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import org.gvsig.expressionevaluator.Code; |
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import org.gvsig.expressionevaluator.CodeBuilder; |
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import org.gvsig.expressionevaluator.Compiler; |
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import org.gvsig.expressionevaluator.Expression; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
| ... | ... | |
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import org.gvsig.expressionevaluator.Optimizer; |
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import org.gvsig.expressionevaluator.SymbolTable; |
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import org.gvsig.expressionevaluator.SymbolTableFactory; |
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import org.gvsig.expressionevaluator.impl.symboltable.BasicImageSymbolTableFactory; |
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import org.gvsig.expressionevaluator.impl.symboltable.OGCSymbolTableFactory; |
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import org.gvsig.expressionevaluator.impl.symboltable.SQLSymbolTableFactory; |
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import org.gvsig.expressionevaluator.impl.symboltable.UtilsSymbolTableFactory; |
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import org.gvsig.expressionevaluator.Compiler; |
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import org.gvsig.expressionevaluator.GrammarSet; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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| ... | ... | |
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private Double accuracy; |
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private final Map<String,SymbolTableFactory>symbolTableFactories; |
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private final Map<String,GrammarFactory> grammarFactories; |
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public DefaultExpressionEvaluatorManager() {
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this.symbolTableFactories = new HashMap<>(); |
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this.registerSymbolTable(new SQLSymbolTableFactory()); |
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this.registerSymbolTable(new OGCSymbolTableFactory()); |
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this.registerSymbolTable(new UtilsSymbolTableFactory()); |
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this.registerSymbolTable(new BasicImageSymbolTableFactory()); |
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this.grammarFactories = new HashMap<>(); |
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} |
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@Override |
| ... | ... | |
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@Override |
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public Code compile(String source) {
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DefaultCompiler compiler = new DefaultCompiler();
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Compiler compiler = this.createCompiler();
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return compiler.compileExpression(source); |
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} |
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@Override |
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public Code compile(LexicalAnalyzer lex, String source) {
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DefaultCompiler compiler = new DefaultCompiler();
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Compiler compiler = this.createCompiler();
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compiler.setLexicalAnalyzer(lex); |
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return compiler.compileExpression(source); |
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} |
| ... | ... | |
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@Override |
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public Compiler createCompiler() {
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return new DefaultCompiler(); |
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DefaultCompiler compiler = new DefaultCompiler(); |
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this.populateGrammars(compiler); |
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return compiler; |
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} |
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@Override |
| ... | ... | |
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Optimizer x = new DefaultOptimizer(); |
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return x; |
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} |
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@Override |
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public void registerGrammar(GrammarFactory factory) {
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if( factory==null ) {
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throw new IllegalArgumentException("factory can't be null");
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} |
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this.grammarFactories.put(factory.getName(), factory); |
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} |
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@Override |
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public Collection<GrammarFactory> getGrammarFactories() {
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return this.grammarFactories.values(); |
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} |
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public void populateGrammars(Compiler compiler) {
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GrammarSet grammarSet = compiler.getGrammars(); |
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for (GrammarFactory factory : this.getGrammarFactories() ) {
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if( factory.isAutoload() ) {
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Grammar grammar = factory.createGrammar(); |
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grammarSet.add(grammar); |
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} |
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} |
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} |
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public Grammar createGrammar(String name) {
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DefaultGrammar grammar = new DefaultGrammar(name); |
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return grammar; |
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} |
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} |
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