Revision 45739 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/AbstractSymbolTable.java
| AbstractSymbolTable.java | ||
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import org.apache.commons.lang3.StringUtils; |
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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.tools.util.GetItemByKey; |
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/** |
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* |
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* @author jjdelcerro |
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*/ |
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public abstract class AbstractSymbolTable implements SymbolTable {
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public abstract class AbstractSymbolTable implements SymbolTable, GetItemByKey<String, Object> {
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private final String name; |
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// public class ScriptFunction extends AbstractFunction {
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// |
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// public ScriptFunction(String funcName) {
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// super("Script", funcName, Range.between(1, Integer.MAX_VALUE));
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// } |
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// |
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// @Override |
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// public Object call(Interpreter interpreter, Object[] args) throws Exception {
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// for (Script script : scripts()) {
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// try {
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// return script.invokeFunction(this.name(), args); |
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// } catch (NoSuchMethodException ex) {
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// // Si la funcion no existe en el script pasamos al siguiente |
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// // script. |
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// } |
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// } |
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// throw new NoSuchMethodException("Can't locate funcion '" + this.name() + "'.");
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// } |
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// |
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// } |
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private Map<String, Object> vars; |
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protected final List<SymbolTable> symbolTables; |
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protected Map<String, Function> functions; |
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protected Map<String, Function> functionAlias; |
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// protected List<Script> scripts; |
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public AbstractSymbolTable() {
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this(null); |
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} |
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public AbstractSymbolTable(String name) {
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this.name = name; |
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if( name == null ) {
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this.name = "Anonymous"; |
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} else {
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this.name = name; |
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} |
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this.symbolTables = new ArrayList<>(); |
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this.vars = null; |
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this.functions = null; |
| ... | ... | |
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if (this.getVars().containsKey(name.toUpperCase())) {
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return true; |
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} |
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if( StringUtils.equalsIgnoreCase(name, "$symboltable") ) {
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return true; |
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} |
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for (SymbolTable other : this.symbolTables) {
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if (other.exists(name)) {
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return true; |
| ... | ... | |
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if (this.getVars().containsKey(name)) {
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return this.getVars().get(name); |
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} |
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if( name.equals("$SYMBOLTABLE") ) {
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return this; |
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} |
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for (SymbolTable other : this.symbolTables) {
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if (other.exists(name)) {
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return other.value(name); |
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} |
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if( StringUtils.equalsIgnoreCase(name, other.getName())) {
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return other; |
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} |
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} |
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return null; |
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} |
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@Override |
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public Object get(String name) {
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return this.value(name); |
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} |
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@Override |
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public Function function(String name) {
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if (StringUtils.isEmpty(name)) {
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return null; |
| ... | ... | |
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return true; |
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} |
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public List<SymbolTable> getSymbolTables() {
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return Collections.unmodifiableList(symbolTables); |
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} |
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@Override |
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public String toString() {
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return this.name; |
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} |
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} |
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