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org.apache.jetspeed.util.rewriter
Class ProxyRewriter

java.lang.Object
  org.apache.jetspeed.util.rewriter.ProxyRewriter

All Implemented Interfaces:

Rewriter

public class ProxyRewriter

extends java.lang.Object

implements Rewriter

Proxy Rewriter for rewriting HTML content with links back to a proxy host. URLs or as web-application full URLs, not relative. Given a relative URL, such a "/content/images/my.gif" it can be rewritten as either a proxied URL, for example: "http://proxyserver/proxy?pxpath=/content/images/my.gif" or a full path to the URL on the web server: "http://www.webserver.com/content/images/my.gif"

Version:

$Id: ProxyRewriter.java,v 1.3 2004/02/23 03:18:59 jford Exp $

Author:

David Sean Taylor

Field Summary

static java.lang.String	DEFAULT_PROXY_PARAM
protected static char	PATH_SEPARATOR

Constructor Summary

ProxyRewriter()

Method Summary

void	convertTagEvent(javax.swing.text.html.HTML.Tag tag, javax.swing.text.MutableAttributeSet attrs)
boolean	enterEndTagEvent(javax.swing.text.html.HTML.Tag tag)
boolean	enterSimpleTagEvent(javax.swing.text.html.HTML.Tag tag, javax.swing.text.MutableAttributeSet attrs)
boolean	enterStartTagEvent(javax.swing.text.html.HTML.Tag tag, javax.swing.text.MutableAttributeSet attrs)
boolean	enterText(char[] values, int param)
java.lang.String	exitEndTagEvent(javax.swing.text.html.HTML.Tag tag)
java.lang.String	exitSimpleTagEvent(javax.swing.text.html.HTML.Tag tag, javax.swing.text.MutableAttributeSet attrs)
java.lang.String	exitStartTagEvent(javax.swing.text.html.HTML.Tag tag, javax.swing.text.MutableAttributeSet attrs)
protected static boolean	findImage(char[] chars, int ix)
java.lang.String	generateNewUrl(java.lang.String targetURL, javax.swing.text.html.HTML.Tag tag, javax.swing.text.html.HTML.Attribute attribute)
boolean	proxyAllTags()
java.lang.String	rewrite(java.io.Reader input, java.lang.String baseURL)
java.lang.String	rewrite(java.io.Reader input, java.lang.String proxyRoot, java.lang.String baseURL)
static byte[]	rewriteScript(java.lang.String script, java.lang.String url, java.lang.String proxyHost, java.lang.String base)
static java.lang.String	translate(java.lang.String proxyURL, java.lang.String targetURL)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_PROXY_PARAM

public static final java.lang.String DEFAULT_PROXY_PARAM

See Also:

Constant Field Values

PATH_SEPARATOR

protected static final char PATH_SEPARATOR

See Also:

Constant Field Values

Constructor Detail

ProxyRewriter

public ProxyRewriter()

Method Detail

rewrite

public java.lang.String rewrite(java.io.Reader input,
                                java.lang.String proxyRoot,
                                java.lang.String baseURL)
                         throws java.net.MalformedURLException

Throws:

java.net.MalformedURLException

generateNewUrl

public java.lang.String generateNewUrl(java.lang.String targetURL,
                                       javax.swing.text.html.HTML.Tag tag,
                                       javax.swing.text.html.HTML.Attribute attribute)

Specified by:

generateNewUrl in interface Rewriter

proxyAllTags

public boolean proxyAllTags()

Specified by:

proxyAllTags in interface Rewriter

rewrite

public java.lang.String rewrite(java.io.Reader input,
                                java.lang.String baseURL)
                         throws java.net.MalformedURLException

Specified by:

rewrite in interface Rewriter

Throws:

java.net.MalformedURLException

rewriteScript

public static byte[] rewriteScript(java.lang.String script,
                                   java.lang.String url,
                                   java.lang.String proxyHost,
                                   java.lang.String base)
                            throws java.io.IOException

Throws:

java.io.IOException

translate

public static java.lang.String translate(java.lang.String proxyURL,
                                         java.lang.String targetURL)

findImage

protected static boolean findImage(char[] chars,
                                   int ix)

enterSimpleTagEvent

public boolean enterSimpleTagEvent(javax.swing.text.html.HTML.Tag tag,
                                   javax.swing.text.MutableAttributeSet attrs)

Specified by:

enterSimpleTagEvent in interface Rewriter

exitSimpleTagEvent

public java.lang.String exitSimpleTagEvent(javax.swing.text.html.HTML.Tag tag,
                                           javax.swing.text.MutableAttributeSet attrs)

Specified by:

exitSimpleTagEvent in interface Rewriter

enterStartTagEvent

public boolean enterStartTagEvent(javax.swing.text.html.HTML.Tag tag,
                                  javax.swing.text.MutableAttributeSet attrs)

Specified by:

enterStartTagEvent in interface Rewriter

exitStartTagEvent

public java.lang.String exitStartTagEvent(javax.swing.text.html.HTML.Tag tag,
                                          javax.swing.text.MutableAttributeSet attrs)

Specified by:

exitStartTagEvent in interface Rewriter

enterEndTagEvent

public boolean enterEndTagEvent(javax.swing.text.html.HTML.Tag tag)

Specified by:

enterEndTagEvent in interface Rewriter

exitEndTagEvent

public java.lang.String exitEndTagEvent(javax.swing.text.html.HTML.Tag tag)

Specified by:

exitEndTagEvent in interface Rewriter

convertTagEvent

public void convertTagEvent(javax.swing.text.html.HTML.Tag tag,
                            javax.swing.text.MutableAttributeSet attrs)

Specified by:

convertTagEvent in interface Rewriter

enterText

public boolean enterText(char[] values,
                         int param)

Specified by:

enterText in interface Rewriter