/*
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.synapse.rest.dispatch;
import org.apache.synapse.rest.RESTUtils;
public class URLMappingHelper implements DispatcherHelper {
private String[] pathSegments;
private String extension;
private String exactMatch;
public URLMappingHelper(String urlMapping) {
if (urlMapping.startsWith("/") && urlMapping.endsWith("/*")) {
if (urlMapping.length() > 2) {
pathSegments = urlMapping.substring(1, urlMapping.length() - 2).split("/");
} else {
pathSegments = new String[] {};
}
} else if (urlMapping.startsWith("*.")) {
extension = urlMapping.substring(1);
} else if(urlMapping.length() > 1 && urlMapping.endsWith("/")){
exactMatch = urlMapping.substring(0, urlMapping.length() - 1);
}
else {
exactMatch = urlMapping;
}
}
public boolean isExactMatch(String url) {
if (!"/".equals(url)) {
url = RESTUtils.trimTrailingSlashes(url);
}
int index = url.indexOf('?');
if (index != -1) {
url = url.substring(0, index);
}
return exactMatch != null && exactMatch.equals(url);
}
public boolean isExtensionMatch(String url) {
int index = url.indexOf('?');
if (index != -1) {
url = url.substring(0, index);
}
return extension != null && url.endsWith(extension);
}
public int getPrefixMatchingLength(String url) {
if (pathSegments != null) {
if (pathSegments.length == 0) {
return 1;
}
url = RESTUtils.trimSlashes(url);
int index = url.indexOf('?');
if (index != -1) {
url = url.substring(0, index);
}
String[] segments = url.split("/");
int matchingLength = 0;
for (int i = 0; i < pathSegments.length; i++) {
if (segments.length > i) {
if (segments[i].equals(pathSegments[i])) {
matchingLength++;
} else {
return 0;
}
} else {
return 0;
}
}
return matchingLength;
}
return 0;
}
public String getString() {
if (pathSegments != null) {
StringBuilder str = new StringBuilder("");
for (String segment : pathSegments) {
str.append("/").append(segment);
}
return str.append("/*").toString();
} else if (extension != null) {
return "*." + extension;
} else {
return exactMatch;
}
}
}