redirectexception.java

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// Copyright 2005-2007 onetsoft.com
//
// 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 com.onetsoft.fastjsp;

import java.util.Iterator;
import java.util.Map;


/**
 * 将通过 response 跳转到指定的url中
 * 在错误处理页面时通过取得url来实现跳转
 * 注：此跳转的页面需要页面类{@link AbstractPage}支持，需纯页面显示请用{@link PageRedirectException}
 *
 * @author <a href="mailto:[e-mail]">hgw</a>
 * @see PageRedirectException
 * @since 2.0
 */
public class RedirectException extends ApplicationRuntimeException {
    private String url = null;

    public RedirectException(Link link) {
        url = link.toString();
    }

    /**
     * @param link
     * @param parametersMap 链接参数对
     */
    public RedirectException(Link link, Map parametersMap) {
        for (Iterator iter = parametersMap.entrySet().iterator(); iter.hasNext();) {
            Map.Entry entry = (Map.Entry) iter.next();
            link.append(entry.getKey().toString(), entry.getValue().toString());
        }
        url = link.toString();
    }


    public RedirectException(String url) {
        this.url = url;
    }

    public String getUrl() {
        return url;
    }
}