/*
* 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.commons.templates.uri.parser;
import java.util.Map;
public abstract class Node {
protected String token;
protected Node next;
protected boolean hasQueryTemplate = false;
protected Node(String token) {
this.token = token;
}
public void setNext(Node next) {
this.next = next;
}
public String expandAll(Map<String,String> variables) {
StringBuilder builder = new StringBuilder();
Node currentNode = this;
while (currentNode != null) {
builder.append(currentNode.expand(variables));
currentNode = currentNode.next;
}
return builder.toString();
}
public int matchAll(String uriFragment, Map<String, String> variables) {
int matchLength = match(uriFragment, variables);
if (matchLength < 0) {
return -1;
} else if (matchLength < uriFragment.length()) {
if (next != null) {
uriFragment = uriFragment.substring(matchLength);
return matchLength + next.matchAll(uriFragment, variables);
} else {
// We have more content in the URI to match
// But there aren't any nodes left to match against
// return -1;
if(uriFragment.endsWith("/")){
matchLength = matchLength +1;
}
return matchLength;
}
} else if (matchLength == uriFragment.length() && next != null) {
if(next.getToken().equalsIgnoreCase("*"))
{
return matchLength;
}
if(next.getToken().equalsIgnoreCase("/*"))
{
return matchLength;
}
// We have matched all the characters in the URI
// But there are some nodes left to be matched against
return -1;
}
else {
return matchLength;
}
}
public boolean hasQueryTemplate(){
return (next != null)? hasQueryTemplate || next.hasQueryTemplate(): hasQueryTemplate;
}
abstract String expand(Map<String,String> variables);
abstract int match(String uriFragment, Map<String,String> variables);
abstract String getToken();
abstract char getFirstCharacter();
}