Examples of javax.el.FunctionMapper.resolveFunction()

javax.el.FunctionMapper.resolveFunction()
Resolves the specified prefix and local name into a java.lang.Method.
Returns null if no function could be found that matches the given prefix and local name.
@param prefix the prefix of the function, or "" if no prefix.For example, "fn" in ${fn:method()}, or "" in ${method()}. @param localName the short name of the function. For example,"method" in ${fn:method()}. @return the static method to invoke, or null if nomatch was found.

        
        // quickly validate again for this request
        if (fnMapper == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.null"));
        }
        Method m = fnMapper.resolveFunction(this.prefix, this.localName);
        if (m == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.method",
                    this.getOutputName()));
        }

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          }


          return function;
        }
        else {
          return originalFunctionMapper.resolveFunction(prefix, name);
        }
      }
    });
  }

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        // quickly validate again for this request
        if (fnMapper == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.null"));
        }
        Method m = fnMapper.resolveFunction(this.prefix, this.localName);
        if (m == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.method",
                    this.getOutputName()));
        }
        return m.getReturnType();

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        // quickly validate again for this request
        if (fnMapper == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.null"));
        }
        Method m = fnMapper.resolveFunction(this.prefix, this.localName);
        if (m == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.method",
                    this.getOutputName()));
        }

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        // quickly validate again for this request
        if (fnMapper == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.null"));
        }
        Method m = fnMapper.resolveFunction(this.prefix, this.localName);
        if (m == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.method",
                    this.getOutputName()));
        }
        return m.getReturnType();

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        // quickly validate again for this request
        if (fnMapper == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.null"));
        }
        Method m = fnMapper.resolveFunction(this.prefix, this.localName);


        if (m == null && this.prefix.length() == 0) {
            // TODO: Do we need to think about precedence of the various ways
            //       a lambda expression may be obtained from something that
            //       the parser thinks is a function?

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        // quickly validate again for this request
        if (fnMapper == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.null"));
        }
        Method m = fnMapper.resolveFunction(this.prefix, this.localName);
        if (m == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.method",
                    this.getOutputName()));
        }
        return m.getReturnType();

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        FunctionMapper fnMapper = ctx.getFunctionMapper();
        
        Method m = null;
        if (fnMapper != null) {
            m = fnMapper.resolveFunction(this.prefix, this.localName);
        }
        if (m == null) {
            if (this.prefix.length() == 0 && ctx.getImportHandler() != null) {
                Class<?> c = null;;
                // Check if this is a constructor call for an imported class

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     */
    @Test
    public void testNullFunctionMapper() {
        replay(resolver);
        FunctionMapper functionMapper = context.getFunctionMapper();
        assertNull(functionMapper.resolveFunction("whatever", "it_IT"));
        verify(resolver);
    }


    /**
     * Tests {@link ELContextImpl#getVariableMapper()}.

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        // quickly validate again for this request
        if (fnMapper == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.null"));
        }
        Method m = fnMapper.resolveFunction(this.prefix, this.localName);
        if (m == null) {
            throw new ELException(MessageFactory.get("error.fnMapper.method",
                    this.getOutputName()));
        }
        return m.getReturnType();

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