added resource for support informations

scm-webapp/src/main/java/sonia/scm/api/rest/resources/SupportResource.java

@@ -0,0 +1,396 @@
+/**
+ * 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.api.rest.resources;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import com.google.common.collect.Maps;
+import com.google.inject.Inject;
+
+import sonia.scm.SCMContextProvider;
+import sonia.scm.config.ScmConfiguration;
+import sonia.scm.plugin.PluginManager;
+import sonia.scm.store.StoreFactory;
+import sonia.scm.template.TemplateHandler;
+import sonia.scm.util.SecurityUtil;
+import sonia.scm.util.SystemUtil;
+import sonia.scm.web.security.WebSecurityContext;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.IOException;
+import java.io.StringWriter;
+
+import java.util.Map;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+@Path("support")
+public class SupportResource
+{
+
+  /** Field description */
+  public static final String TEMPLATE = "/support";
+
+  //~--- constructors ---------------------------------------------------------
+
+  /**
+   * Constructs ...
+   *
+   *
+   *
+   * @param securityContext
+   * @param context
+   * @param templateHandler
+   * @param configuration
+   * @param pluginManager
+   * @param storeFactory
+   */
+  @Inject
+  public SupportResource(WebSecurityContext securityContext,
+                         SCMContextProvider context,
+                         TemplateHandler templateHandler,
+                         ScmConfiguration configuration,
+                         PluginManager pluginManager, StoreFactory storeFactory)
+  {
+    this.securityContext = securityContext;
+    this.context = context;
+    this.templateHandler = templateHandler;
+    this.configuration = configuration;
+    this.pluginManager = pluginManager;
+    this.storeFactoryClass = storeFactory.getClass();
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   *
+   * @throws IOException
+   */
+  @GET
+  @Produces(MediaType.TEXT_HTML)
+  public String getSupport() throws IOException
+  {
+    SecurityUtil.assertIsAdmin(securityContext);
+
+    Map<String, Object> env = Maps.newHashMap();
+
+    env.put("version", new VersionInformation(context, storeFactoryClass));
+    env.put("configuration", configuration);
+    env.put("pluginManager", pluginManager);
+    env.put("runtime", new RuntimeInformation());
+    env.put("system", new SystemInformation());
+
+    StringWriter writer = new StringWriter();
+
+    templateHandler.render(TEMPLATE, writer, env);
+
+    return writer.toString();
+  }
+
+  //~--- inner classes --------------------------------------------------------
+
+  /**
+   * Class description
+   *
+   *
+   * @version        Enter version here..., 12/04/30
+   * @author         Enter your name here...
+   */
+  public static class RuntimeInformation
+  {
+
+    /**
+     * Constructs ...
+     *
+     */
+    public RuntimeInformation()
+    {
+      Runtime runtime = Runtime.getRuntime();
+
+      totalMemory = runtime.totalMemory();
+      freeMemory = runtime.freeMemory();
+      maxMemory = runtime.maxMemory();
+      availableProcessors = runtime.availableProcessors();
+    }
+
+    //~--- get methods --------------------------------------------------------
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    public int getAvailableProcessors()
+    {
+      return availableProcessors;
+    }
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    public long getFreeMemory()
+    {
+      return freeMemory;
+    }
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    public long getMaxMemory()
+    {
+      return maxMemory;
+    }
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    public long getTotalMemory()
+    {
+      return totalMemory;
+    }
+
+    //~--- fields -------------------------------------------------------------
+
+    /** Field description */
+    private int availableProcessors;
+
+    /** Field description */
+    private long freeMemory;
+
+    /** Field description */
+    private long maxMemory;
+
+    /** Field description */
+    private long totalMemory;
+  }
+
+
+  /**
+   * Class description
+   *
+   *
+   * @version        Enter version here..., 12/04/30
+   * @author         Enter your name here...
+   */
+  public static class SystemInformation
+  {
+
+    /**
+     * Constructs ...
+     *
+     */
+    public SystemInformation()
+    {
+      os = SystemUtil.getOS();
+      arch = SystemUtil.getArch();
+      container = SystemUtil.getServletContainer().name();
+      java = System.getProperty("java.vendor").concat("/").concat(
+        System.getProperty("java.version"));
+    }
+
+    //~--- get methods --------------------------------------------------------
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    public String getArch()
+    {
+      return arch;
+    }
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    public String getContainer()
+    {
+      return container;
+    }
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    public String getJava()
+    {
+      return java;
+    }
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    public String getOs()
+    {
+      return os;
+    }
+
+    //~--- fields -------------------------------------------------------------
+
+    /** Field description */
+    private String arch;
+
+    /** Field description */
+    private String container;
+
+    /** Field description */
+    private String java;
+
+    /** Field description */
+    private String os;
+  }
+
+
+  /**
+   * Class description
+   *
+   *
+   * @version        Enter version here..., 12/04/30
+   * @author         Enter your name here...
+   */
+  public static class VersionInformation
+  {
+
+    /**
+     * Constructs ...
+     *
+     *
+     * @param context
+     * @param storeFactoryClass
+     */
+    public VersionInformation(SCMContextProvider context,
+                              Class<?> storeFactoryClass)
+    {
+      version = context.getVersion();
+      stage = context.getStage().name();
+      storeFactory = storeFactoryClass.getName();
+    }
+
+    //~--- get methods --------------------------------------------------------
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    public String getStage()
+    {
+      return stage;
+    }
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    public String getStoreFactory()
+    {
+      return storeFactory;
+    }
+
+    /**
+     * Method description
+     *
+     *
+     * @return
+     */
+    public String getVersion()
+    {
+      return version;
+    }
+
+    //~--- fields -------------------------------------------------------------
+
+    /** Field description */
+    private String stage;
+
+    /** Field description */
+    private String storeFactory;
+
+    /** Field description */
+    private String version;
+  }
+
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private ScmConfiguration configuration;
+
+  /** Field description */
+  private SCMContextProvider context;
+
+  /** Field description */
+  private PluginManager pluginManager;
+
+  /** Field description */
+  private WebSecurityContext securityContext;
+
+  /** Field description */
+  private Class<?> storeFactoryClass;
+
+  /** Field description */
+  private TemplateHandler templateHandler;
+}