org.apache.el.parser.AstFunction Java Examples
The following examples show how to use
org.apache.el.parser.AstFunction.
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Example #1
Source File: ExpressionBuilder.java From Tomcat7.0.67 with Apache License 2.0 | 5 votes |
@Override public void visit(Node node) throws ELException { if (node instanceof AstFunction) { AstFunction funcNode = (AstFunction) node; if (this.fnMapper == null) { throw new ELException(MessageFactory.get("error.fnMapper.null")); } Method m = fnMapper.resolveFunction(funcNode.getPrefix(), funcNode .getLocalName()); if (m == null) { throw new ELException(MessageFactory.get( "error.fnMapper.method", funcNode.getOutputName())); } int pcnt = m.getParameterTypes().length; if (node.jjtGetNumChildren() != pcnt) { throw new ELException(MessageFactory.get( "error.fnMapper.paramcount", funcNode.getOutputName(), "" + pcnt, "" + node.jjtGetNumChildren())); } } else if (node instanceof AstIdentifier && this.varMapper != null) { String variable = ((AstIdentifier) node).getImage(); // simply capture it this.varMapper.resolveVariable(variable); } }
Example #2
Source File: ExpressionBuilder.java From tomcatsrc with Apache License 2.0 | 5 votes |
@Override public void visit(Node node) throws ELException { if (node instanceof AstFunction) { AstFunction funcNode = (AstFunction) node; if (this.fnMapper == null) { throw new ELException(MessageFactory.get("error.fnMapper.null")); } Method m = fnMapper.resolveFunction(funcNode.getPrefix(), funcNode .getLocalName()); if (m == null) { throw new ELException(MessageFactory.get( "error.fnMapper.method", funcNode.getOutputName())); } int pcnt = m.getParameterTypes().length; if (node.jjtGetNumChildren() != pcnt) { throw new ELException(MessageFactory.get( "error.fnMapper.paramcount", funcNode.getOutputName(), "" + pcnt, "" + node.jjtGetNumChildren())); } } else if (node instanceof AstIdentifier && this.varMapper != null) { String variable = ((AstIdentifier) node).getImage(); // simply capture it this.varMapper.resolveVariable(variable); } }
Example #3
Source File: ExpressionBuilder.java From Tomcat8-Source-Read with MIT License | 4 votes |
@Override public void visit(Node node) throws ELException { if (node instanceof AstFunction) { AstFunction funcNode = (AstFunction) node; Method m = null; if (this.fnMapper != null) { m = fnMapper.resolveFunction(funcNode.getPrefix(), funcNode .getLocalName()); } // References to variables that refer to lambda expressions will be // parsed as functions. This is handled at runtime but at this point // need to treat it as a variable rather than a function. if (m == null && this.varMapper != null && funcNode.getPrefix().length() == 0) { this.varMapper.resolveVariable(funcNode.getLocalName()); return; } if (this.fnMapper == null) { throw new ELException(MessageFactory.get("error.fnMapper.null")); } if (m == null) { throw new ELException(MessageFactory.get( "error.fnMapper.method", funcNode.getOutputName())); } int methodParameterCount = m.getParameterTypes().length; // AstFunction->MethodParameters->Parameters() int inputParameterCount = node.jjtGetChild(0).jjtGetNumChildren(); if (m.isVarArgs() && inputParameterCount < methodParameterCount - 1 || !m.isVarArgs() && inputParameterCount != methodParameterCount) { throw new ELException(MessageFactory.get( "error.fnMapper.paramcount", funcNode.getOutputName(), "" + methodParameterCount, "" + node.jjtGetChild(0).jjtGetNumChildren())); } } else if (node instanceof AstIdentifier && this.varMapper != null) { String variable = ((AstIdentifier) node).getImage(); // simply capture it this.varMapper.resolveVariable(variable); } }