org.xchain.namespaces.servlet.GetCookie.java Source code

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Here is the source code for org.xchain.namespaces.servlet.GetCookie.java

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/**
 *    Copyright 2011 meltmedia
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.xchain.namespaces.servlet;

import org.apache.commons.jxpath.JXPathContext;
import org.xchain.Command;
import org.xchain.annotations.Attribute;
import org.xchain.annotations.AttributeType;
import org.xchain.annotations.Element;
import org.xchain.framework.jxpath.Scope;
import org.xchain.framework.jxpath.ScopedQNameVariables;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;

/**
 * Base class to provide simple string value existence and email string validation.
 *
 * @author Nicholas Bolton
 */

@Element(localName = "get-cookie")
public abstract class GetCookie implements Command {

    public GetCookie() {
    }

    @Attribute(localName = "name", type = AttributeType.JXPATH_VALUE)
    public abstract String getName(JXPathContext context);

    @Attribute(localName = "request", type = AttributeType.JXPATH_VALUE)
    public abstract HttpServletRequest getRequest(JXPathContext context);

    @Attribute(localName = "variable", type = AttributeType.JXPATH_VALUE)
    public abstract String getVariable(JXPathContext context);

    public boolean execute(JXPathContext context) throws Exception {
        String name = getName(context);
        Cookie[] cookies = getRequest(context).getCookies();
        for (int i = 0; cookies != null && i < cookies.length; i++) {
            Cookie cookie = cookies[i];
            if (name.equals(cookie.getName())) {
                ((ScopedQNameVariables) context.getVariables()).declareVariable(getVariable(context),
                        cookie.getValue(), Scope.execution);
            }
        }
        return false;
    }
}