Revision 44750 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/CallStaticMethodFunction.java

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CallStaticMethodFunction.java
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package org.gvsig.expressionevaluator.impl.function.programming;
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import java.lang.reflect.Method;


  		




  
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import java.util.List;


  		




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import org.apache.commons.lang3.Range;


  		




  
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import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator;


  		




  
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import org.gvsig.expressionevaluator.ExpressionRuntimeException;


  		




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import org.gvsig.expressionevaluator.Function;


  		




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import org.gvsig.expressionevaluator.Interpreter;


  		




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import org.gvsig.expressionevaluator.spi.AbstractFunction;


  		




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@SuppressWarnings("UseSpecificCatch")


  		




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public class CallStaticMethodFunction extends AbstractFunction {


  		




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    public static final String NAME = "CALL_STATIC";


  		




  ......




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        if( theMethodName == null ) {


  		




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            throw new NullPointerException("A method name was expected to invoke and a null methd name was received");


  		




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        }


  		




  
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        List<ClassLoader> loaders = ExpressionEvaluatorLocator.getManager().getClassLoaders();


  		




  
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        Class<?> theClass = null;


  		




  
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        for (ClassLoader loader : loaders) {


  		




  
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          try {


  		




  
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            theClass = loader.loadClass(theClassName);


  		




  
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            if( theClass!=null ) {


  		




  
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              break;


  		




  
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            }


  		




  
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          } catch(Throwable th) {


  		




  
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            // Do nothing skip


  		




  
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          }


  		




  
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        }


  		




  
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        if( theClass == null ) {


  		




  
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          throw new ExpressionRuntimeException("Can't localte the class '"+theClassName+"'.");


  		




  
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        }


  		




  
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        Class[] parameterTypes = new Class[args.length-firstArg];


  		




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        Object[] parameters = new Object[args.length-firstArg];


  		




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        for (int i = 0; i < parameters.length; i++) {


  		




  ......




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                parameterTypes[i] = parameter.getClass();


  		




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            }


  		




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        }


  		




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        Class<?> theClass = Class.forName(theClassName);


  		




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        Method method = theClass.getMethod(theMethodName, parameterTypes);


  		




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        Object value = method.invoke(null, parameters);


  		




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        return value;


  		












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