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Java ELException類代碼示例

本文整理匯總了Java中javax.el.ELException類的典型用法代碼示例。如果您正苦於以下問題：Java ELException類的具體用法？Java ELException怎麽用？Java ELException使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。


ELException類屬於javax.el包，在下文中一共展示了ELException類的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: getValue

import javax.el.ELException; //導入依賴的package包/類
public Object getValue(ELContext context, Object base, Object property)
        throws NullPointerException, PropertyNotFoundException, ELException {
    if (context == null) {
        throw new NullPointerException();
    }

    if (base == null) {
        context.setPropertyResolved(true);
        if (property != null) {
            try {
                return this.variableResolver.resolveVariable(property
                        .toString());
            } catch (javax.servlet.jsp.el.ELException e) {
                throw new ELException(e.getMessage(), e.getCause());
            }
        }
    }

    if (!context.isPropertyResolved()) {
        return getDefaultResolver().getValue(context, base, property);
    }
    return null;
}
開發者ID:lamsfoundation，項目名稱:lams，代碼行數:24，代碼來源:ELResolverImpl.java

示例2: coerceToEnum

import javax.el.ELException; //導入依賴的package包/類
@SuppressWarnings("unchecked")
public static final Enum<?> coerceToEnum(final Object obj,
        @SuppressWarnings("rawtypes") Class type) {
    if (obj == null || "".equals(obj)) {
        return null;
    }
    if (type.isAssignableFrom(obj.getClass())) {
        return (Enum<?>) obj;
    }
    
    if (!(obj instanceof String)) {
        throw new ELException(MessageFactory.get("error.convert",
                obj, obj.getClass(), type));
    }

    Enum<?> result;
    try {
         result = Enum.valueOf(type, (String) obj);
    } catch (IllegalArgumentException iae) {
        throw new ELException(MessageFactory.get("error.convert",
                obj, obj.getClass(), type));
    }
    return result;
}
開發者ID:sunmingshuai，項目名稱:apache-tomcat-7.0.73-with-comment，代碼行數:25，代碼來源:ELSupport.java

示例3: isReadOnly

import javax.el.ELException; //導入依賴的package包/類
@Override
public boolean isReadOnly(EvaluationContext ctx) throws ELException {
	VariableMapper varMapper = ctx.getVariableMapper();
	if (varMapper != null) {
		ValueExpression expr = varMapper.resolveVariable(this.image);
		if (expr != null) {
			return expr.isReadOnly(ctx.getELContext());
		}
	}
	ctx.setPropertyResolved(false);
	boolean result = ctx.getELResolver().isReadOnly(ctx, null, this.image);
	if (!ctx.isPropertyResolved()) {
		throw new PropertyNotFoundException(MessageFactory.get("error.resolver.unhandled.null", this.image));
	}
	return result;
}
開發者ID:how2j，項目名稱:lazycat，代碼行數:17，代碼來源:AstIdentifier.java

示例4: isReadOnly

import javax.el.ELException; //導入依賴的package包/類
@Override
public boolean isReadOnly(ELContext context, Object base, Object property)
        throws NullPointerException, PropertyNotFoundException, ELException {
    if (context == null) {
        throw new NullPointerException();
    }

    if (base == null && property != null) {
        int idx = Arrays.binarySearch(SCOPE_NAMES, property.toString());
        if (idx >= 0) {
            context.setPropertyResolved(true);
            return true;
        }
    }
    return false;
}
開發者ID:liaokailin，項目名稱:tomcat7，代碼行數:17，代碼來源:ImplicitObjectELResolver.java

示例5: getValue

import javax.el.ELException; //導入依賴的package包/類
@Override
public Object getValue(EvaluationContext ctx)
        throws ELException {
    Object obj = this.children[0].getValue(ctx);
    if (obj == null) {
        return Boolean.TRUE;
    } else if (obj instanceof String) {
        return Boolean.valueOf(((String) obj).length() == 0);
    } else if (obj instanceof Object[]) {
        return Boolean.valueOf(((Object[]) obj).length == 0);
    } else if (obj instanceof Collection<?>) {
        return Boolean.valueOf(((Collection<?>) obj).isEmpty());
    } else if (obj instanceof Map<?,?>) {
        return Boolean.valueOf(((Map<?,?>) obj).isEmpty());
    }
    return Boolean.FALSE;
}
開發者ID:sunmingshuai，項目名稱:apache-tomcat-7.0.73-with-comment，代碼行數:18，代碼來源:AstEmpty.java

示例6: setValue

import javax.el.ELException; //導入依賴的package包/類
@Override
public void setValue(EvaluationContext ctx, Object value)
        throws ELException {
    VariableMapper varMapper = ctx.getVariableMapper();
    if (varMapper != null) {
        ValueExpression expr = varMapper.resolveVariable(this.image);
        if (expr != null) {
            expr.setValue(ctx.getELContext(), value);
            return;
        }
    }
    ctx.setPropertyResolved(false);
    ctx.getELResolver().setValue(ctx, null, this.image, value);
    if (!ctx.isPropertyResolved()) {
        throw new PropertyNotFoundException(MessageFactory.get(
                "error.resolver.unhandled.null", this.image));
    }
}
開發者ID:sunmingshuai，項目名稱:apache-tomcat-7.0.73-with-comment，代碼行數:19，代碼來源:AstIdentifier.java

示例7: createMethodExpression

import javax.el.ELException; //導入依賴的package包/類
public MethodExpression createMethodExpression(Class<?> expectedReturnType,
        Class<?>[] expectedParamTypes) throws ELException {
    Node n = this.build();
    if (!n.isParametersProvided() && expectedParamTypes == null) {
        throw new NullPointerException(MessageFactory
                .get("error.method.nullParms"));
    }
    if (n instanceof AstValue || n instanceof AstIdentifier) {
        return new MethodExpressionImpl(expression, n, this.fnMapper,
                this.varMapper, expectedReturnType, expectedParamTypes);
    } else if (n instanceof AstLiteralExpression) {
        return new MethodExpressionLiteral(expression, expectedReturnType,
                expectedParamTypes);
    } else {
        throw new ELException("Not a Valid Method Expression: "
                + expression);
    }
}
開發者ID:sunmingshuai，項目名稱:apache-tomcat-7.0.73-with-comment，代碼行數:19，代碼來源:ExpressionBuilder.java

示例8: coerceToCharacter

import javax.el.ELException; //導入依賴的package包/類
public static final Character coerceToCharacter(final Object obj)
        throws ELException {
    if (obj == null || "".equals(obj)) {
        return Character.valueOf((char) 0);
    }
    if (obj instanceof String) {
        return Character.valueOf(((String) obj).charAt(0));
    }
    if (ELArithmetic.isNumber(obj)) {
        return Character.valueOf((char) ((Number) obj).shortValue());
    }
    Class<?> objType = obj.getClass();
    if (obj instanceof Character) {
        return (Character) obj;
    }

    throw new ELException(MessageFactory.get("error.convert",
            obj, objType, Character.class));
}
開發者ID:sunmingshuai，項目名稱:apache-tomcat-7.0.73-with-comment，代碼行數:20，代碼來源:ELSupport.java

示例9: testJavaKeyWordIdentifier

import javax.el.ELException; //導入依賴的package包/類
@Test
public void testJavaKeyWordIdentifier() {
    ExpressionFactory factory = ExpressionFactory.newInstance();
    ELContext context = new ELContextImpl();

    TesterBeanA beanA = new TesterBeanA();
    beanA.setInt("five");
    ValueExpression var =
        factory.createValueExpression(beanA, TesterBeanA.class);
    context.getVariableMapper().setVariable("this", var);

    // Should fail
    Exception e = null;
    try {
        factory.createValueExpression(context, "${this}", String.class);
    } catch (ELException ele) {
        e = ele;
    }
    assertNotNull(e);
}
開發者ID:liaokailin，項目名稱:tomcat7，代碼行數:21，代碼來源:TestELParser.java

示例10: ExpressionBuilder

import javax.el.ELException; //導入依賴的package包/類
/**
 *
 */
public ExpressionBuilder(String expression, ELContext ctx)
        throws ELException {
    this.expression = expression;

    FunctionMapper ctxFn = ctx.getFunctionMapper();
    VariableMapper ctxVar = ctx.getVariableMapper();

    if (ctxFn != null) {
        this.fnMapper = new FunctionMapperFactory(ctxFn);
    }
    if (ctxVar != null) {
        this.varMapper = new VariableMapperFactory(ctxVar);
    }
}
開發者ID:sunmingshuai，項目名稱:apache-tomcat-7.0.73-with-comment，代碼行數:18，代碼來源:ExpressionBuilder.java

示例11: getType

import javax.el.ELException; //導入依賴的package包/類
public Class<?> getType(ELContext context, Object base, Object property)
        throws NullPointerException, PropertyNotFoundException, ELException {
    if (context == null) {
        throw new NullPointerException();
    }

    if (base == null) {
        context.setPropertyResolved(true);
        if (property != null) {
            try {
                Object obj = this.variableResolver.resolveVariable(property
                        .toString());
                return (obj != null) ? obj.getClass() : null;
            } catch (javax.servlet.jsp.el.ELException e) {
                throw new ELException(e.getMessage(), e.getCause());
            }
        }
    }

    if (!context.isPropertyResolved()) {
        return getDefaultResolver().getType(context, base, property);
    }
    return null;
}
開發者ID:lamsfoundation，項目名稱:lams，代碼行數:25，代碼來源:ELResolverImpl.java

示例12: getType

import javax.el.ELException; //導入依賴的package包/類
@Override
public Class<?> getType(ELContext context, Object base, Object property)
		throws NullPointerException, PropertyNotFoundException, ELException {
	if (context == null) {
		throw new NullPointerException();
	}

	if (base == null) {
		context.setPropertyResolved(true);
		if (property != null) {
			try {
				Object obj = this.variableResolver.resolveVariable(property.toString());
				return (obj != null) ? obj.getClass() : null;
			} catch (javax.servlet.jsp.el.ELException e) {
				throw new ELException(e.getMessage(), e.getCause());
			}
		}
	}

	if (!context.isPropertyResolved()) {
		return elResolver.getType(context, base, property);
	}
	return null;
}
開發者ID:how2j，項目名稱:lazycat，代碼行數:25，代碼來源:ELResolverImpl.java

示例13: prepare

import javax.el.ELException; //導入依賴的package包/類
private void prepare(Node node) throws ELException {
    try {
        node.accept(this);
    } catch (Exception e) {
        if (e instanceof ELException) {
            throw (ELException) e;
        } else {
            throw (new ELException(e));
        }
    }
    if (this.fnMapper instanceof FunctionMapperFactory) {
        this.fnMapper = ((FunctionMapperFactory) this.fnMapper).create();
    }
    if (this.varMapper instanceof VariableMapperFactory) {
        this.varMapper = ((VariableMapperFactory) this.varMapper).create();
    }
}
開發者ID:liaokailin，項目名稱:tomcat7，代碼行數:18，代碼來源:ExpressionBuilder.java

示例14: setValue

import javax.el.ELException; //導入依賴的package包/類
@Override
public void setValue(ELContext context, Object base, Object property,
        Object value) throws NullPointerException,
        PropertyNotFoundException, PropertyNotWritableException,
        ELException {
    if (context == null) {
        throw new NullPointerException();
    }

    if (base == null) {
        context.setPropertyResolved(true);
        if (property != null) {
            String key = property.toString();
            PageContext page = (PageContext) context
                    .getContext(JspContext.class);
            int scope = page.getAttributesScope(key);
            if (scope != 0) {
                page.setAttribute(key, value, scope);
            } else {
                page.setAttribute(key, value);
            }
        }
    }
}
開發者ID:liaokailin，項目名稱:tomcat7，代碼行數:25，代碼來源:ScopedAttributeELResolver.java

示例15: getValue

import javax.el.ELException; //導入依賴的package包/類
@Override
public Object getValue(ELContext context, Object base, Object property)
        throws NullPointerException, PropertyNotFoundException, ELException {
    if (context == null) {
        throw new NullPointerException();
    }

    if (base == null) {
        context.setPropertyResolved(true);
        if (property != null) {
            String key = property.toString();
            PageContext page = (PageContext) context
                    .getContext(JspContext.class);
            return page.findAttribute(key);
        }
    }

    return null;
}
開發者ID:liaokailin，項目名稱:tomcat7，代碼行數:20，代碼來源:ScopedAttributeELResolver.java


注：本文中的javax.el.ELException類示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。