src/org/netbeans/modules/git/ExceptionHandler.java

   1 /*
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   3  *
   4  * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
   5  *
   6  * The contents of this file are subject to the terms of either the GNU
   7  * General Public License Version 2 only ("GPL") or the Common
   8  * Development and Distribution License("CDDL") (collectively, the
   9  * "License"). You may not use this file except in compliance with the
  10  * License. You can obtain a copy of the License at
  11  * http://www.netbeans.org/cddl-gplv2.html
  12  * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
  13  * specific language governing permissions and limitations under the
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  19  * accompanied this code. If applicable, add the following below the
  20  * License Header, with the fields enclosed by brackets [] replaced by
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  24  * Contributor(s):
  25  *
  26  * The Original Software is NetBeans. The Initial Developer of the Original
  27  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
  28  * Microsystems, Inc. All Rights Reserved.
  29  * Portions Copyright 2008 Alexander Coles (Ikonoklastik Productions).
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  32  * or only the GPL Version 2, indicate your decision by adding
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  34  * under the [CDDL or GPL Version 2] license." If you do not indicate a
  35  * single choice of license, a recipient has the option to distribute
  36  * your version of this file under either the CDDL, the GPL Version 2 or
  37  * to extend the choice of license to its licensees as provided above.
  38  * However, if you add GPL Version 2 code and therefore, elected the GPL
  39  * Version 2 license, then the option applies only if the new code is
  40  * made subject to such option by the copyright holder.
  41  */
  42 package org.netbeans.modules.git;
  43
  44 import java.util.logging.Level;
  45 import javax.swing.JButton;
  46 import org.openide.DialogDisplayer;
  47 import org.openide.NotifyDescriptor;
  48 import org.openide.util.NbBundle;
  49
  50
  51 public class ExceptionHandler {
  52
  53     public final static int EX_UNKNOWN = 0;
  54     public final static int EX_ACTION_CANCELED_BY_USER = 1;
  55     public final static int EX_NO_REPOSITORY = 4;
  56     public final static int EX_ALREADY_TRACKED = 8;
  57     public final static int EX_NOT_TRACKED = 16;
  58     public final static int EX_CANNOT_READ_COMMIT_MSG = 32;
  59     public final static int EX_UNABLE_EXECUTE_CMD = 64;
  60
  61     static final String ACTION_CANCELED_BY_USER = ""; // TODO: initialize from strings
  62
  63     private final GitException exception;
  64     private final int exceptionMask;
  65
  66     public ExceptionHandler(GitException exception) {
  67         this.exception = exception;
  68         exceptionMask = getMask(exception.getMessage());
  69     }
  70
  71     protected int getExceptionMask() {
  72         return exceptionMask;
  73     }
  74
  75     protected GitException getException() {
  76         return exception;
  77     }
  78
  79     private static int getMask(String msg) {
  80         if (msg == null || msg.trim().equals("")) { // NOI18N
  81
  82             return EX_UNKNOWN;
  83         }
  84         msg = msg.toLowerCase();
  85         if (isCancelledAction(msg)) {
  86             return EX_ACTION_CANCELED_BY_USER;
  87         } else if (isNoRepository(msg)) {
  88             return EX_NO_REPOSITORY;
  89         } else if (isNotTracked(msg)) {
  90             return EX_NOT_TRACKED;
  91         } else if (isCannotReadCommitMsg(msg)) {
  92             return EX_CANNOT_READ_COMMIT_MSG;
  93         } else if (isUnableExecuteCmd(msg)) {
  94             return EX_UNABLE_EXECUTE_CMD;
  95         } else if (isAlreadyTracked(msg)) {
  96             return EX_ALREADY_TRACKED;
  97         }
  98         return EX_UNKNOWN;
  99     }
 100
 101     private static boolean isCancelledAction(String msg) {
 102         return msg.equals(ACTION_CANCELED_BY_USER);
 103     }
 104
 105     public static boolean isNoRepository(String msg) {
 106         msg = msg.toLowerCase();
 107         return msg.indexOf("abort: There is no Git repository here") > -1;                                   // NOI18N
 108     }
 109
 110     public static boolean isUpdateSpansBranches(String msg) {
 111         msg = msg.toLowerCase();
 112         return msg.indexOf("abort: update spans branches") > -1;                                   // NOI18N
 113     }
 114
 115     private static boolean isAlreadyTracked(String msg) {
 116         return msg.indexOf(" already tracked!") > -1;                          // NOI18N
 117     }
 118
 119     private static boolean isNotTracked(String msg) {
 120         return msg.indexOf(" not tracked!") > -1;                          // NOI18N
 121     }
 122
 123     private static boolean isCannotReadCommitMsg(String msg) {
 124         return msg.indexOf("abort: can't read commit message") > -1;                          // NOI18N
 125     }
 126
 127     public static boolean isUnableExecuteCmd(String msg) {
 128         return msg.indexOf("unable to execute Git command") > -1;                          // NOI18N
 129     }
 130
 131      public static boolean isUnableClone(String msg) {
 132         return msg.indexOf("abort: destination ") > -1;                          // NOI18N
 133     }
 134
 135     public static boolean isNotFound(String msg) {
 136         return msg.indexOf("not found!") > -1;    // NOI18N
 137     }
 138
 139     public static boolean isNoChangeNeeded(String msg) {
 140         return msg.indexOf("no change needed") > -1;    // NOI18N
 141     }
 142
 143    // TODO: decide how to report exceptions to the user - information dialog??
 144    /** Analyzes exception and notifies user. **/
 145     public void notifyException() {
 146         if(isCancelledAction(exception.getMessage())) {
 147             cancelledAction();
 148             return;
 149         }
 150         Git.LOG.log(Level.INFO, null, exception);
 151     }
 152
 153     public void notifyException(boolean notCancelled) {
 154         if (!notCancelled) {
 155             cancelledAction();
 156             return;
 157         }
 158         Git.LOG.log(Level.INFO, null, exception);
 159     }
 160
 161     public static String parseExceptionMessage(GitException exception) {
 162         String msg = exception.getMessage();
 163         int idx = msg.lastIndexOf("git: "); // NOI18N
 164         if (idx > -1) {
 165             msg = msg.substring(idx);
 166         }
 167         return msg;
 168     }
 169
 170     private void cancelledAction() {
 171         JButton ok = new JButton(NbBundle.getMessage(ExceptionHandler.class, "CTL_Action_OK")); // NOI18N
 172
 173         NotifyDescriptor descriptor = new NotifyDescriptor(
 174                 ACTION_CANCELED_BY_USER,
 175                 NbBundle.getMessage(ExceptionHandler.class, "CTL_ActionCanceled_Title"), // NOI18N
 176                 NotifyDescriptor.DEFAULT_OPTION,
 177                 NotifyDescriptor.WARNING_MESSAGE,
 178                 new Object[]{ok                },
 179                 ok);
 180         DialogDisplayer.getDefault().notify(descriptor);
 181     }
 182
 183 }