/*
* 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.catalina.deploy;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Locale;
import javax.servlet.DispatcherType;
import org.apache.catalina.util.RequestUtil;
/**
* Representation of a filter mapping for a web application, as represented
* in a <code><filter-mapping></code> element in the deployment
* descriptor. Each filter mapping must contain a filter name plus either
* a URL pattern or a servlet name.
*
* @author Craig R. McClanahan
*/
public class FilterMap implements Serializable {
// ------------------------------------------------------------- Properties
private static final long serialVersionUID = 1L;
/**
* The name of this filter to be executed when this mapping matches
* a particular request.
*/
public static final int ERROR = 1;
public static final int FORWARD = 2;
public static final int INCLUDE = 4;
public static final int REQUEST = 8;
public static final int ASYNC = 16;
// represents nothing having been set. This will be seen
// as equal to a REQUEST
private static final int NOT_SET = 0;
private int dispatcherMapping = NOT_SET;
private String filterName = null;
public String getFilterName() {
return (this.filterName);
}
public void setFilterName(String filterName) {
this.filterName = filterName;
}
/**
* The servlet name this mapping matches.
*/
private String[] servletNames = new String[0];
public String[] getServletNames() {
if (matchAllServletNames) {
return new String[] {};
} else {
return (this.servletNames);
}
}
public void addServletName(String servletName) {
if ("*".equals(servletName)) {
this.matchAllServletNames = true;
} else {
String[] results = new String[servletNames.length + 1];
System.arraycopy(servletNames, 0, results, 0, servletNames.length);
results[servletNames.length] = servletName;
servletNames = results;
}
}
/**
* The flag that indicates this mapping will match all url-patterns
*/
private boolean matchAllUrlPatterns = false;
public boolean getMatchAllUrlPatterns() {
return matchAllUrlPatterns;
}
/**
* The flag that indicates this mapping will match all servlet-names
*/
private boolean matchAllServletNames = false;
public boolean getMatchAllServletNames() {
return matchAllServletNames;
}
/**
* The URL pattern this mapping matches.
*/
private String[] urlPatterns = new String[0];
public String[] getURLPatterns() {
if (matchAllUrlPatterns) {
return new String[] {};
} else {
return (this.urlPatterns);
}
}
public void addURLPattern(String urlPattern) {
if ("*".equals(urlPattern)) {
this.matchAllUrlPatterns = true;
} else {
String[] results = new String[urlPatterns.length + 1];
System.arraycopy(urlPatterns, 0, results, 0, urlPatterns.length);
results[urlPatterns.length] = RequestUtil.URLDecode(urlPattern);
urlPatterns = results;
}
}
/**
*
* This method will be used to set the current state of the FilterMap
* representing the state of when filters should be applied.
*/
public void setDispatcher(String dispatcherString) {
String dispatcher = dispatcherString.toUpperCase(Locale.ENGLISH);
if (dispatcher.equals(DispatcherType.FORWARD.name())) {
// apply FORWARD to the global dispatcherMapping.
dispatcherMapping |= FORWARD;
} else if (dispatcher.equals(DispatcherType.INCLUDE.name())) {
// apply INCLUDE to the global dispatcherMapping.
dispatcherMapping |= INCLUDE;
} else if (dispatcher.equals(DispatcherType.REQUEST.name())) {
// apply REQUEST to the global dispatcherMapping.
dispatcherMapping |= REQUEST;
} else if (dispatcher.equals(DispatcherType.ERROR.name())) {
// apply ERROR to the global dispatcherMapping.
dispatcherMapping |= ERROR;
} else if (dispatcher.equals(DispatcherType.ASYNC.name())) {
// apply ERROR to the global dispatcherMapping.
dispatcherMapping |= ASYNC;
}
}
public int getDispatcherMapping() {
// per the SRV.6.2.5 absence of any dispatcher elements is
// equivalent to a REQUEST value
if (dispatcherMapping == NOT_SET) return REQUEST;
return dispatcherMapping;
}
public String[] getDispatcherNames() {
ArrayList<String> result = new ArrayList<String>();
if ((dispatcherMapping & FORWARD) > 0) {
result.add(DispatcherType.FORWARD.name());
}
if ((dispatcherMapping & INCLUDE) > 0) {
result.add(DispatcherType.INCLUDE.name());
}
if ((dispatcherMapping & REQUEST) > 0) {
result.add(DispatcherType.REQUEST.name());
}
if ((dispatcherMapping & ERROR) > 0) {
result.add(DispatcherType.ERROR.name());
}
if ((dispatcherMapping & ASYNC) > 0) {
result.add(DispatcherType.ASYNC.name());
}
return result.toArray(new String[result.size()]);
}
// --------------------------------------------------------- Public Methods
/**
* Render a String representation of this object.
*/
@Override
public String toString() {
StringBuilder sb = new StringBuilder("FilterMap[");
sb.append("filterName=");
sb.append(this.filterName);
for (int i = 0; i < servletNames.length; i++) {
sb.append(", servletName=");
sb.append(servletNames[i]);
}
for (int i = 0; i < urlPatterns.length; i++) {
sb.append(", urlPattern=");
sb.append(urlPatterns[i]);
}
sb.append("]");
return (sb.toString());
}
}