From f63dbf496f614fd6c6cb13b581fbe04037e03ab3 Mon Sep 17 00:00:00 2001
From: Sebastian Sdorra <sebastian.sdorra@cloudogu.com>
Date: Sat, 3 Dec 2011 16:15:53 +0100
Subject: [PATCH] added bitbucket compare url builder

---
 .../rest/url/BitbucketCompareUrlBuilder.java  | 147 ++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 scm-plugin-backend/src/main/java/sonia/scm/plugin/rest/url/BitbucketCompareUrlBuilder.java

diff --git a/scm-plugin-backend/src/main/java/sonia/scm/plugin/rest/url/BitbucketCompareUrlBuilder.java b/scm-plugin-backend/src/main/java/sonia/scm/plugin/rest/url/BitbucketCompareUrlBuilder.java
new file mode 100644
index 0000000000..cb2dd667b0
--- /dev/null
+++ b/scm-plugin-backend/src/main/java/sonia/scm/plugin/rest/url/BitbucketCompareUrlBuilder.java
@@ -0,0 +1,147 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of SCM-Manager; 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 REGENTS 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.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.plugin.rest.url;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import sonia.scm.plugin.PluginInformation;
+import sonia.scm.util.HttpUtil;
+import sonia.scm.util.Util;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import java.text.MessageFormat;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class BitbucketCompareUrlBuilder implements CompareUrlBuilder
+{
+
+  /** Field description */
+  public static final String SERVERNAME = "bitbucket.org";
+
+  /** Field description */
+  public static final String URL_PATTERN =
+    "https://bitbucket.org/{0}/{1}/compare/{2}..{3}";
+
+  /** the logger for BitbucketCompareUrlBuilder */
+  private static final Logger logger =
+    LoggerFactory.getLogger(BitbucketCompareUrlBuilder.class);
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param latest
+   * @param plugin
+   * @param other
+   *
+   * @return
+   */
+  @Override
+  public String createCompareUrl(PluginInformation latest,
+                                 PluginInformation plugin,
+                                 PluginInformation other)
+  {
+    return createCompareUrl(latest.getUrl(), plugin.getVersion(),
+                            other.getVersion());
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param url
+   *
+   * @return
+   */
+  @Override
+  public boolean isCompareable(String url)
+  {
+    return url.contains(SERVERNAME);
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param urlString
+   * @param version
+   * @param otherVersion
+   *
+   * @return
+   */
+  private String createCompareUrl(String urlString, String version,
+                                  String otherVersion)
+  {
+    String result = null;
+
+    try
+    {
+      URL url = new URL(urlString);
+      String path = url.getPath();
+
+      if (Util.isNotEmpty(path))
+      {
+        String[] parts = path.split(HttpUtil.SEPARATOR_PATH);
+
+        if (parts.length >= 2)
+        {
+          result = MessageFormat.format(URL_PATTERN, parts[0], parts[1],
+                                        version, otherVersion);
+        }
+      }
+    }
+    catch (MalformedURLException ex)
+    {
+      logger.error("could not parse url", ex);
+    }
+
+    return result;
+  }
+}