Revision 47017 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/function/programming/ForEachFunction.java

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ForEachFunction.java
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package org.gvsig.expressionevaluator.impl.function.programming;
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import java.util.Objects;


  		




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import org.apache.commons.lang3.Range;


  		




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import org.gvsig.expressionevaluator.Codes;


  		




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import org.gvsig.expressionevaluator.Function;


  		




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import org.gvsig.expressionevaluator.spi.AbstractFunction;


  		




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import org.gvsig.expressionevaluator.ExpressionRuntimeException;


  		




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import org.gvsig.expressionevaluator.MutableSymbolTable;


  		




  
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import org.gvsig.expressionevaluator.impl.function.programming.BreakFunction.BreakException;


  		




  
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import org.gvsig.expressionevaluator.impl.function.programming.ReturnFunction.ReturnException;


  		




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public class ForEachFunction extends AbstractFunction {


  		




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  ......




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        Object body = null;


  		




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        String varname = getObject(interpreter, args, 0).toString();


  		




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        int argn = 1;


  		




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        Iterable iterable = (Iterable) getObject(interpreter, args, 1);


  		




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        for (Object value : iterable) {


  		




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            symbolTable.setVar(varname, value);


  		




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            body = getObject(interpreter, args, 2);


  		




  
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            try {


  		




  
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                Object x = getObject(interpreter, args, 2);


  		




  
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                body = x;


  		




  
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            } catch(BreakException ex) {


  		




  
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                break;


  		




  
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            } catch(ReturnException ex) {


  		




  
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                throw ex;


  		




  
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            } catch(Exception ex) {


  		




  
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                String stmt = "unknown";


  		




  
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                try {


  		




  
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                    stmt = Objects.toString(args);


  		




  
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                } catch(Exception ex2) {


  		




  
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                }


  		




  
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                LOGGER.warn("Error in foreach function calling arg "+ argn + ", "+ stmt, ex);


  		




  
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                throw ex;


  		




  
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            }


  		




  
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            argn++;


  		




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        }


  		




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        return body;


  		




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    }


  		












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