Example usage for javax.el ELException ELException

Introduction

In this page you can find the example usage for javax.el ELException ELException.

Prototype

public ELException(Throwable cause) 

Source Link

Document

Creates an ELException with the given cause

Usage

From source file:de.openknowledge.extensions.jsf.model.ModelMethod.java

@Override
public void updateModel(FacesContext context) {
    ValueExpression expression = getValueExpression("value");
    SimpleMethodExpressionParser parser = new SimpleMethodExpressionParser(expression.getExpressionString());
    SimpleMethodExpression methodExpression = parser.parse();
    ExpressionFactory expressionFactory = notNull(context, "context may not be null").getApplication()
            .getExpressionFactory();//from  www .jav a2 s  . co m
    ValueExpression baseExpression = expressionFactory.createValueExpression(context.getELContext(),
            "#{" + methodExpression.getBase() + '}', Object.class);
    Object baseValue = baseExpression.getValue(context.getELContext());
    Class<? extends Object> baseType = baseValue.getClass();
    UIInput[] parameterComponents = findComponents(methodExpression);
    Class<?>[] parameterTypes = findParameterTypes(context, methodExpression, expressionFactory,
            parameterComponents);
    Method method = findMethod(baseType, methodExpression.getMethodName(), parameterTypes);
    Object[] parameters = findParameters(context, methodExpression, expressionFactory, parameterComponents,
            parameterTypes);
    try {
        method.invoke(baseValue, parameters);
    } catch (InvocationTargetException e) {
        throw new ELException(e.getTargetException());
    } catch (Exception e) {
        throw new ELException(e);
    }
}

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From source file:de.openknowledge.extensions.el.SimpleMethodExpressionParser.java

private String parseToken() {
    int start = -1;
    String token = null;/*  w w w  .j  a  v a2  s.c o m*/
    for (String t : TOKENS) {
        int index = input.lastIndexOf(t);
        if (index > start) {
            start = index;
            token = t;
        }
    }
    if (token == null) {
        throw new ELException("expected text, but found " + input);
    }
    String text = input.substring(start + token.length());
    input = input.substring(0, start + 1);
    return text;
}

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From source file:de.openknowledge.extensions.el.SimpleMethodExpressionParser.java

private void consume(String token) {
    input = input.trim();/* w  w w. j  a  v a 2s .c o  m*/
    if (!input.endsWith(token)) {
        throw new ELException("expected " + token + ", but found " + input);
    }
    input = input.substring(0, input.lastIndexOf(token));
}

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From source file:de.openknowledge.extensions.jsf.model.ModelMethod.java

private Method findMethod(Class<?> type, String name, Class<?>[] parameters) {
    for (Method method : type.getMethods()) {
        if (method.getName().equals(name)) {
            Class<?>[] parameterTypes = method.getParameterTypes();
            if (parameterTypes.length != parameters.length) {
                continue;
            }/*from www.  j av  a2  s  .c o m*/
            boolean match = true;
            for (int i = 0; i < parameters.length; i++) {
                if (parameters[i] != null && !parameterTypes[i].isAssignableFrom(parameters[i])) {
                    match = false;
                    break;
                }
            }
            if (match) {
                // TODO currently we simply take the first match... We should resolve based on java resolution rules...
                return method;
            }
        }
    }
    throw new ELException("method with name '" + name + "' not found in type " + type.getName());
}

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From source file:org.apache.shindig.expressions.OpensocialFunctions.java

/**
 * Convert a string to a JSON Object or JSON Array.
 *///  w ww .j  a v a2 s . c  o m
@Functions.Expose(prefix = "osx", names = { "parseJson" })
public static Object parseJson(String text) {
    if ((text == null) || "".equals(text)) {
        return null;
    }

    try {
        if (text.startsWith("[")) {
            return new JSONArray(text);
        } else {
            return new JSONObject(text);
        }
    } catch (JSONException je) {
        throw new ELException(je);
    }
}

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From source file:org.jbuilt.utils.ValueClosure.java

public Object getValue(ELContext elContext) throws ELException {
    this.elContext = elContext;
    if (elContext == null) {
        throw new NullPointerException("ELContext -> null");
    }/*  w w  w  . j a v  a2  s  .  c  o m*/
    Object result = null;
    assert null != context;
    try {
        result = PropertyUtils.getProperty(bean, prop);
    } catch (Throwable e) {
        throw new ELException(e);
    }
    return result;
}

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From source file:org.jbuilt.utils.ValueClosure.java

public void setValue(ELContext elContext, Object value) throws ELException {
    if (elContext == null) {
        throw new NullPointerException("ELContext -> null");
    }//from w  w  w .j a  v  a  2 s .  c  o m
    assert null != context;
    try {
        PropertyUtils.setProperty(bean, prop, ((ValueClosure) value).getValue());
    } catch (Throwable e) {
        throw new ELException(e);
    }
}

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From source file:org.jbuilt.utils.ValueClosure.java

public boolean isReadOnly(ELContext elContext) throws ELException {
    if (elContext == null) {
        throw new NullPointerException("ELContext -> null");
    }//from   www  .jav a  2s. c o m
    boolean result = false;
    assert null != context;
    try {
        result = isReadOnly(bean, prop);
    } catch (Throwable e) {
        throw new ELException(e);
    }
    return result;
}

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From source file:org.jbuilt.utils.ValueClosure.java

public Class<?> getType(ELContext elContext) throws ELException {
    if (elContext == null) {
        throw new NullPointerException("ELContext -> null");
    }/* w  ww  . j  av a2  s .c om*/
    Class result = null;
    assert null != context;
    try {
        result = getType(this.bean, this.prop);
    } catch (Throwable e) {
        throw new ELException(e);
    }
    return result;
}

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From source file:org.jbuilt.utils.ValueClosure.java

public Class<?> getType(Object bean, String prop) throws ELException {
    Class result = null;/*from ww w.  j ava 2s.c  o m*/
    try {
        result = PropertyUtils.getPropertyType(bean, prop);
    } catch (Throwable e) {
        throw new ELException(e);
    }
    return result;
}

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