Java ELContext类代码示例

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本文整理汇总了Java中org.activiti.engine.impl.javax.el.ELContext类的典型用法代码示例。如果您正苦于以下问题：Java ELContext类的具体用法？Java ELContext怎么用？Java ELContext使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

ELContext类属于org.activiti.engine.impl.javax.el包，在下文中一共展示了ELContext类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: getType

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public Class<?> getType(Bindings bindings, ELContext context) {
    if (!lvalue) {
        return null;
    }
    Object base = prefix.eval(bindings, context);
    if (base == null) {
        throw new PropertyNotFoundException(LocalMessages.get("error.property.base.null", prefix));
    }
    Object property = getProperty(bindings, context);
    if (property == null && strict) {
        throw new PropertyNotFoundException(LocalMessages.get("error.property.property.notfound", "null", base));
    }
    context.setPropertyResolved(false);
    Class<?> result = context.getELResolver().getType(context, base, property);
    if (!context.isPropertyResolved()) {
        throw new PropertyNotFoundException(LocalMessages.get("error.property.property.notfound", property, base));
    }
    return result;
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:21，代码来源:AstProperty.java

示例2: setValue

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public void setValue(Bindings bindings, ELContext context, Object value) throws ELException {
    if (!lvalue) {
        throw new ELException(LocalMessages.get("error.value.set.rvalue", getStructuralId(bindings)));
    }
    Object base = prefix.eval(bindings, context);
    if (base == null) {
        throw new PropertyNotFoundException(LocalMessages.get("error.property.base.null", prefix));
    }
    Object property = getProperty(bindings, context);
    if (property == null && strict) {
        throw new PropertyNotFoundException(LocalMessages.get("error.property.property.notfound", "null", base));
    }
    context.setPropertyResolved(false);
    context.getELResolver().setValue(context, base, property, value);
    if (!context.isPropertyResolved()) {
        throw new PropertyNotFoundException(LocalMessages.get("error.property.property.notfound", property, base));
    }
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:20，代码来源:AstProperty.java

示例3: invoke

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public Object invoke(Bindings bindings, ELContext context, Class<?> returnType, Class<?>[] paramTypes, Object[] paramValues) {
    Object base = property.getPrefix().eval(bindings, context);
    if (base == null) {
        throw new PropertyNotFoundException(LocalMessages.get("error.property.base.null", property.getPrefix()));
    }
    Object method = property.getProperty(bindings, context);
    if (method == null) {
        throw new PropertyNotFoundException(LocalMessages.get("error.property.method.notfound", "null", base));
    }
    String name = bindings.convert(method, String.class);
    paramValues = params.eval(bindings, context);

    context.setPropertyResolved(false);
    Object result = context.getELResolver().invoke(context, base, name, paramTypes, paramValues);
    if (!context.isPropertyResolved()) {
        throw new MethodNotFoundException(LocalMessages.get("error.property.method.notfound", name, base.getClass()));
    }
    // if (returnType != null && !returnType.isInstance(result)) { // should we check returnType for method invocations?
    // throw new MethodNotFoundException(LocalMessages.get("error.property.method.notfound", name, base.getClass()));
    // }
    return result;
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:24，代码来源:AstMethod.java

示例4: getElContext

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
public ELContext getElContext(VariableScope variableScope) {
    ELContext elContext = null;
    if (variableScope instanceof VariableScopeImpl) {
        VariableScopeImpl variableScopeImpl = (VariableScopeImpl) variableScope;
        elContext = variableScopeImpl.getCachedElContext();
    }

    if (elContext == null) {
        elContext = createElContext(variableScope);
        if (variableScope instanceof VariableScopeImpl) {
            ((VariableScopeImpl) variableScope).setCachedElContext(elContext);
        }
    }

    return elContext;
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:17，代码来源:ExpressionManager.java

示例5: getMethod

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
protected Method getMethod(Bindings bindings, ELContext context, Class<?> returnType, Class<?>[] paramTypes) {
    Object value = eval(bindings, context);
    if (value == null) {
        throw new MethodNotFoundException(LocalMessages.get("error.identifier.method.notfound", name));
    }
    if (value instanceof Method) {
        Method method = (Method) value;
        if (returnType != null && !returnType.isAssignableFrom(method.getReturnType())) {
            throw new MethodNotFoundException(LocalMessages.get("error.identifier.method.notfound", name));
        }
        if (!Arrays.equals(method.getParameterTypes(), paramTypes)) {
            throw new MethodNotFoundException(LocalMessages.get("error.identifier.method.notfound", name));
        }
        return method;
    }
    throw new MethodNotFoundException(LocalMessages.get("error.identifier.method.notamethod", name, value.getClass()));
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:18，代码来源:AstIdentifier.java

示例6: getValue

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public Object getValue(ELContext context, Object base, Object property) {
    Object bean = Mocks.get(property);
    if (bean != null) {
        context.setPropertyResolved(true);
    }
    return bean;
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:9，代码来源:MockElResolver.java

示例7: isReadOnly

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public boolean isReadOnly(Bindings bindings, ELContext context) {
    ValueExpression expression = bindings.getVariable(index);
    if (expression != null) {
        return expression.isReadOnly(context);
    }
    context.setPropertyResolved(false);
    boolean result = context.getELResolver().isReadOnly(context, null, name);
    if (!context.isPropertyResolved()) {
        throw new PropertyNotFoundException(LocalMessages.get("error.identifier.property.notfound", name));
    }
    return result;
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:14，代码来源:AstIdentifier.java

示例8: getValueReference

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public ValueReference getValueReference(Bindings bindings, ELContext context) {
    ValueExpression expression = bindings.getVariable(index);
    if (expression != null) {
        return expression.getValueReference(context);
    }
    return new ValueReference(null, name);
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:9，代码来源:AstIdentifier.java

示例9: getValue

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public Object getValue(ELContext context, Object base, Object property) {
    if (base == null) {
        if (wrappedMap.containsKey(property)) {
            context.setPropertyResolved(true);
            return wrappedMap.get(property);
        }
    }
    return null;
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:11，代码来源:ReadOnlyMapELResolver.java

示例10: setValue

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public void setValue(ELContext context, Object base, Object property, Object value) {
    if (base == null) {
        String variable = (String) property;
        if (variableScope.hasVariable(variable)) {
            variableScope.setVariable(variable, value);
        }
    }
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:10，代码来源:VariableScopeElResolver.java

示例11: setValue

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public void setValue(Bindings bindings, ELContext context, Object value) {
    ValueExpression expression = bindings.getVariable(index);
    if (expression != null) {
        expression.setValue(context, value);
        return;
    }
    context.setPropertyResolved(false);
    context.getELResolver().setValue(context, null, name, value);
    if (!context.isPropertyResolved()) {
        throw new PropertyNotFoundException(LocalMessages.get("error.identifier.property.notfound", name));
    }
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:14，代码来源:AstIdentifier.java

示例12: getMethodInfo

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public MethodInfo getMethodInfo(Bindings bindings, ELContext context, Class<?> returnType, Class<?>[] paramTypes) {
    Object base = prefix.eval(bindings, context);
    if (base == null) {
        throw new PropertyNotFoundException(LocalMessages.get("error.property.base.null", prefix));
    }
    Object property = getProperty(bindings, context);
    if (property == null && strict) {
        throw new PropertyNotFoundException(LocalMessages.get("error.property.method.notfound", "null", base));
    }
    String name = bindings.convert(property, String.class);
    Method method = findMethod(name, base.getClass(), returnType, paramTypes);
    return new MethodInfo(method.getName(), method.getReturnType(), paramTypes);
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:15，代码来源:AstProperty.java

示例13: eval

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public Object eval(Bindings bindings, ELContext context) {
    Class<?>[] paramTypes = null;
    if (params.getCardinality() == 1) {
        AstNode astNode = params.getChild(0);
        if (astNode instanceof AstString) {
            paramTypes = new Class<?>[params.getCardinality()];
            paramTypes[0] = String.class;
        } else if (astNode instanceof AstBoolean) {
            paramTypes = new Class<?>[params.getCardinality()];
            paramTypes[0] = Boolean.class;
        }
    }
    return invoke(bindings, context, null, paramTypes, null);
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:16，代码来源:AstMethod.java

示例14: setValue

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public void setValue(ELContext context, Object base, Object property, Object value)
        throws PropertyNotWritableException {
    if (resolve(context, base, property)) {
        if (readOnly) {
            throw new PropertyNotWritableException("Resolver is read only!");
        }
        setProperty((String) property, value);
    }
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:11，代码来源:RootPropertyResolver.java

示例15: getValue

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
/**
 * evaluate and return the (optionally coerced) result.
 */
@Override
public final Object getValue(Bindings bindings, ELContext context, Class<?> type) {
    Object value = eval(bindings, context);
    if (type != null) {
        value = bindings.convert(value, type);
    }
    return value;
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:12，代码来源:AstNode.java

示例16: setValue

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public void setValue(ELContext context, Object base, Object property, Object value) {
    if (base == null) {
        if (wrappedMap.containsKey(property)) {
            throw new ActivitiException("Cannot set value of '" + property + "', it's readonly!");
        }
    }
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:9，代码来源:ReadOnlyMapELResolver.java

示例17: getValue

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public Object getValue(ELContext context, Object base, Object property) {

    if (base == null) {
        String variable = (String) property; // according to javadoc, can only be a String

        if ((EXECUTION_KEY.equals(property) && variableScope instanceof ExecutionEntity)
                || (TASK_KEY.equals(property) && variableScope instanceof TaskEntity)) {
            context.setPropertyResolved(true);
            return variableScope;
        } else if (EXECUTION_KEY.equals(property) && variableScope instanceof TaskEntity) {
            context.setPropertyResolved(true);
            return ((TaskEntity) variableScope).getExecution();
        } else if (LOGGED_IN_USER_KEY.equals(property)) {
            context.setPropertyResolved(true);
            return Authentication.getAuthenticatedUserId();
        } else {
            if (variableScope.hasVariable(variable)) {
                context.setPropertyResolved(true); // if not set, the next elResolver in the CompositeElResolver will be called
                return variableScope.getVariable(variable);
            }
        }
    }

    // property resolution (eg. bean.value) will be done by the BeanElResolver (part of the CompositeElResolver)
    // It will use the bean resolved in this resolver as base.

    return null;
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:30，代码来源:VariableScopeElResolver.java

示例18: eval

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public Object eval(Bindings bindings, ELContext context) {
    StringBuilder b = new StringBuilder(16);
    for (int i = 0; i < getCardinality(); i++) {
        b.append(bindings.convert(nodes.get(i).eval(bindings, context), String.class));
    }
    return b.toString();
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:9，代码来源:AstComposite.java

示例19: isReadOnly

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public boolean isReadOnly(ELContext context, Object base, Object property) {
    if (base == null) {
        String variable = (String) property;
        return !variableScope.hasVariable(variable);
    }
    return true;
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:9，代码来源:VariableScopeElResolver.java

示例20: invoke

import org.activiti.engine.impl.javax.el.ELContext; //导入依赖的package包/类
@Override
public Object invoke(ELContext context, Object base, Object method, Class<?>[] paramTypes, Object[] params) {
    if (resolve(context, base, method)) {
        throw new NullPointerException("Cannot invoke method " + method + " on null");
    }
    return null;
}

开发者ID:flowable，项目名称:flowable-engine，代码行数:8，代码来源:RootPropertyResolver.java

注：本文中的org.activiti.engine.impl.javax.el.ELContext类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。