/*
* Copyright (c) 2003-2011, Simon Brown
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* - Neither the name of Pebble nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package net.sourceforge.pebble.permalink;
import net.sourceforge.pebble.domain.BlogEntry;
import net.sourceforge.pebble.domain.Blog;
import net.sourceforge.pebble.domain.BlogService;
import net.sourceforge.pebble.domain.BlogServiceException;
/**
* Generates permalinks using the pattern <time-in-millis>.
*
* @author Simon Brown
*/
public class ShortPermalinkProvider extends PermalinkProviderSupport {
/** the regex used to check for a blog entry permalink */
private static final String BLOG_ENTRY_PERMALINK_REGEX = "/\\d*.html";
/**
* Gets the permalink for a blog entry.
*
* @return a URI as a String
*/
public String getPermalink(BlogEntry blogEntry) {
return "/" + blogEntry.getId() + ".html";
}
/**
* Determines whether the specified URI is a blog entry permalink.
*
* @param uri a relative URI
* @return true if the URI represents a permalink to a blog entry,
* false otherwise
*/
public boolean isBlogEntryPermalink(String uri) {
if (uri != null) {
return uri.matches(BLOG_ENTRY_PERMALINK_REGEX);
} else {
return false;
}
}
/**
* Gets the blog entry referred to by the specified URI.
*
* @param uri a relative URI
* @return a BlogEntry instance, or null if one can't be found
*/
public BlogEntry getBlogEntry(String uri) {
// uri is of the form /1234567890123.html, so extract the 13-digit ID
// and use it to find the correct blog entry
Blog blog = getBlog();
BlogService service = new BlogService();
try {
return service.getBlogEntry(blog, uri.substring(1, 14));
} catch (BlogServiceException e) {
return null;
}
}
}