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Diffstat (limited to 'bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/util/URLHelper.java')
| -rw-r--r-- | bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/util/URLHelper.java | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/util/URLHelper.java b/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/util/URLHelper.java deleted file mode 100644 index f51460e781..0000000000 --- a/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/util/URLHelper.java +++ /dev/null @@ -1,210 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.wst.css.core.internal.util; - - - -import java.io.File; -import java.net.MalformedURLException; -import java.net.URL; - -import org.eclipse.wst.sse.core.internal.util.PathHelper; - -/** - * Hyperlink manager. Proved useful services like link conversion An utility - * class to help other parsre modules to convert links - */ -public class URLHelper { - - private static final String FILE_PROTOCOL_SEARCH_SIG = "file:/";//$NON-NLS-1$ - private static final String FILE_PROTOCOL_SIG = "file:///";//$NON-NLS-1$ - private static String RELATIVE_PATH_SIG = "..";//$NON-NLS-1$ - private static final String FORWARD_SLASH = "/";//$NON-NLS-1$ - private URL fBaseUrl = null; // base url. assumed to a absulute url - private String fBaseUrlString = null; - private URL fDocRoot = null; - private String fDocRootString = null; - - public URLHelper(String baseUrl) { - initialize(baseUrl, null); - } - - public URLHelper(String baseUrl, String docRoot) { - initialize(baseUrl, docRoot); - } - - /** - * Special adujust for file url - */ - public String adjustFileProtocolUrl(String url) { - if (url.startsWith(FILE_PROTOCOL_SEARCH_SIG)) { - url = FILE_PROTOCOL_SIG + url.substring(FILE_PROTOCOL_SEARCH_SIG.length()); - } - return url; - } - - private String convert(String url, URL baseUrl, String urlString) { - String absUrl = url; - if (baseUrl != null) { - try { - // do special thing file protocol - if (baseUrl.getProtocol().equalsIgnoreCase("file")) {//$NON-NLS-1$ - // remove the fist - if (url.startsWith("/"))//$NON-NLS-1$ - url = url.substring(1); - // empty string causes malformed exception - String tempUrl = url; - if ("".equals(url))//$NON-NLS-1$ - tempUrl = " ";//$NON-NLS-1$ - URL newUrl = new URL(baseUrl, tempUrl); - // do extra math for file protocol to support ie based - absUrl = adjustFileProtocolUrl(newUrl.toString()); - } - else { - URL newUrl = new URL(fBaseUrl, url); - absUrl = newUrl.toString(); - } - } - catch (MalformedURLException me) { - } - // convert everything to forward slash - absUrl = PathHelper.switchToForwardSlashes(absUrl); - } - else { - // the given may be based on file - if (urlString != null) { - // swich the url to proper direction - url = PathHelper.removeLeadingSeparator(url); - File fle = new File(urlString, url); - absUrl = fle.getPath(); - - } - // convert everything to forward slash - absUrl = PathHelper.switchToForwardSlashes(absUrl); - - // if the path ends with ".." we need to add a terminating slash - // or - // else the link will not be resolved correctly. (it will look - // like - // /url/path/to/somewhere/.. instead of /url/path/to/ - if (absUrl.endsWith(FORWARD_SLASH + RELATIVE_PATH_SIG)) { - absUrl += FORWARD_SLASH; - } - } - - // resolve relative path to absolute - absUrl = PathHelper.adjustPath(absUrl); - return absUrl; - } - - private void initialize(String baseUrl, String docRoot) { - // - // Find out whether baes url is a url or file name - // - try { - String temp = PathHelper.appendTrailingURLSlash(baseUrl); - fBaseUrl = new URL(temp); - } - catch (MalformedURLException mue) { - } - if (fBaseUrl == null) { - // it is a file based url - fBaseUrlString = baseUrl; - } - - // do the same for doc root - if (docRoot != null) { - try { - String temp = PathHelper.appendTrailingURLSlash(docRoot); - fDocRoot = new URL(temp); - - } - catch (MalformedURLException mue) { - } - if (fDocRoot == null) { - // it is a file based url - fDocRootString = docRoot; - } - } - } - - /** - * Convert the given url to a abolute url using the base url Input url can - * be of any othe following format Absolute urls -------------- . - * http://www.foo.com/ . http://www.foo.com . http://www.foo.com/folder . - * http://www.foo.com/folder/ . http://www.foo.com/index.html . - * http://www.foo.com/folder/index.html . - * http://www.foo.com/folder/../index.html Url relative on document root - * ------------------------- . / . /folder . /index.html . - * /folder/index.html . /folder/../index.html - * - * Self relative ------------------------- . index.html . ./index.html . - * ../index.html . folder/index.html . folder/../index.html - * - * file based url adds another dimension since it doesn't have a document - * root So uses fDocRoot if provided - */ - public String toAbsolute(String url) { - String absUrl = url; - - URL newUrl = null; - // try to see it is a absolute url - try { - newUrl = new URL(url); - } - catch (MalformedURLException me) { - } - // if document root is provided - // do special case - if (newUrl == null) { - if (fDocRoot == null && fDocRootString == null) { - // try to check relative url - absUrl = convert(url, fBaseUrl, fBaseUrlString); - } - else { - // doc root is provided - // if the url is a doc root based use doc root - - if (url.startsWith("/"))//$NON-NLS-1$ - absUrl = convert(url, fDocRoot, fDocRootString); - else - absUrl = convert(url, fBaseUrl, fBaseUrlString); - - } - } - return absUrl; - } - - /** - * Convert from an absolute url to relative url based on the given url - * Both are assumed to be ablsute url - */ - public String toRelative(String url, String documentUrl) { - String output = url; - // assuming both urls are absolute - try { - URL inputUrl = new URL(url); - URL docUrl = new URL(documentUrl); - // filter out if the urls are not fro the same domain - if (!inputUrl.getProtocol().equals(docUrl.getProtocol()) || !inputUrl.getHost().equals(docUrl.getHost()) || inputUrl.getPort() != docUrl.getPort()) - return output; - // both url are coming form the same place - // strip off the domain parts - String inputName = inputUrl.getFile(); - String docName = docUrl.getFile(); - output = PathHelper.convertToRelative(inputName, docName); - } - catch (MalformedURLException me) { - output = null; - } - return output; - } -}
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