/*
* $Id: URLBean.java 651946 2008-04-27 13:41:38Z apetrelli $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.struts2.util;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts2.views.util.UrlHelper;
/**
* A bean that can generate a URL.
*
*/
public class URLBean {
HashMap params;
HttpServletRequest request;
HttpServletResponse response;
String page;
public URLBean setPage(String page) {
this.page = page;
return this;
}
public void setRequest(HttpServletRequest request) {
this.request = request;
}
public void setResponse(HttpServletResponse response) {
this.response = response;
}
public String getURL() {
// all this trickier with maps is to reduce the number of objects created
Map fullParams = null;
if (params != null) {
fullParams = new HashMap();
}
if (page == null) {
// No particular page requested, so go to "same page"
// Add query params to parameters
if (fullParams != null) {
fullParams.putAll(request.getParameterMap());
} else {
fullParams = request.getParameterMap();
}
}
// added parameters override, just like in URLTag
if (params != null) {
fullParams.putAll(params);
}
return UrlHelper.buildUrl(page, request, response, fullParams);
}
public URLBean addParameter(String name, Object value) {
if (params == null) {
params = new HashMap();
}
if (value == null) {
params.remove(name);
} else {
params.put(name, value.toString());
}
return this;
}
public String toString() {
return getURL();
}
}
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