sebb 2004/02/08 15:36:00
Added: src/protocol/http/org/apache/jmeter/protocol/http/parser
URLCollection.java URLString.java
Log:
New classes to support Collections of URLs (for use by HTMLParser)
Revision Changes Path
1.1
jakarta-jmeter/src/protocol/http/org/apache/jmeter/protocol/http/parser/URLCollection.java
Index: URLCollection.java
===================================================================
// $Id: URLCollection.java,v 1.1 2004/02/08 23:36:00 sebb Exp $
/*
* Copyright 2004 Apache Software Foundation.
*
* 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 org.apache.jmeter.protocol.http.parser;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Collection;
import java.util.Iterator;
/**
* Collection class designed for handling URLs
*
* Before a URL is added to the collection, it is wrapped in a URLString class.
* The iterator unwraps the URL before return.
*
* N.B.
* Designed for use by HTMLParser, so is not a full implementation
* - e.g. does not support remove()
*
* @author sebb AT apache DOT org
* @version $Revision: 1.1 $ $Date: 2004/02/08 23:36:00 $
*/
public class URLCollection
{
Collection coll;
// Inaccessible default constructor
private URLCollection(){}
/**
* Creates a new URLCollection from an existing Collection
*
*/
public URLCollection(Collection c)
{
coll = c;
}
/**
* Adds the URL to the Collection, first wrapping
* it in the URLString class
*
* @param u URL to add
* @return boolean condition returned by the add() method of the underlying
collection
*/
public boolean add(URL u)
{
return coll.add(new URLString(u));
}
/*
* Adds the string to the Collection, first wrapping
* it in the URLString class
*
* @param s string to add
* @return boolean condition returned by the add() method of the underlying
collection
*/
private boolean add(String s)
{
return coll.add(new URLString(s));
}
/**
* Convenience method for adding URLs to the collection
* If the url parameter is null or empty, nothing is done
*
* @param url String, may be null or empty
* @param baseUrl
* @return boolean condition returned by the add() method of the underlying
collection
*/
public boolean addURL(String url, URL baseUrl)
{
if (url == null || url.length() == 0) return false;
boolean b=false;
try
{
b=this.add(new URL(baseUrl, url));
}
catch(MalformedURLException mfue)
{
//TODO log a warning message?
b=this.add(url);// Add the string if cannot create the URL
}
return b;
}
public Iterator iterator()
{
return new UrlIterator(coll.iterator());
}
/*
* Private iterator used to unwrap the URL from the URLString class
*
*/
private static class UrlIterator implements Iterator
{
Iterator iter;
UrlIterator(Iterator i)
{
iter=i;
}
public boolean hasNext()
{
return iter.hasNext();
}
/*
* Unwraps the URLString class to return the URL
*/
public Object next()
{
return ((URLString) iter.next()).getURL();
}
public void remove()
{
throw new UnsupportedOperationException();
}
}
}
1.1
jakarta-jmeter/src/protocol/http/org/apache/jmeter/protocol/http/parser/URLString.java
Index: URLString.java
===================================================================
// $Id: URLString.java,v 1.1 2004/02/08 23:36:00 sebb Exp $
/*
* Copyright 2004 Apache Software Foundation.
*
* 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 org.apache.jmeter.protocol.http.parser;
import java.net.URL;
/**
* Helper class to allow URLs to be stored in Collections without
* incurring the cost of the hostname lookup performed by the
* URL methods equals() and hashCode()
* URL is a final class, so cannot be extended ...
*
* @author sebb AT apache DOT org
* @version $Revision: 1.1 $ $Date: 2004/02/08 23:36:00 $
*/
public class URLString
implements Comparable // To allow use in Sorted Collections
{
private URL url;
private String urlAsString;
private int hashCode;
private URLString()// not instantiable
{
}
public URLString(URL u)
{
url=u;
urlAsString=u.toExternalForm();
/*
* TODO improve string version to better match browser behaviour?
* e.g. do browsers regard http://host/ and http://Host:80/ as the
* same? If so, it would be better to reflect this in the string
*/
hashCode=urlAsString.hashCode();
}
/*
* Parsers can return the URL as a string if it does not parse properly
*/
public URLString(String s)
{
url=null;
urlAsString=s;
hashCode=urlAsString.hashCode();
}
public String toString()
{
return urlAsString;
}
public URL getURL()
{
return url;
}
public int compareTo(Object o)
{
return urlAsString.compareTo(o.toString());
}
public boolean equals(Object o)
{
return (o instanceof URLString && urlAsString.equals(o.toString()));
}
public int hashCode()
{
return hashCode;
}
}
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