diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/build/builders/PatternBasedDeltaVisitor.java')
| -rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/build/builders/PatternBasedDeltaVisitor.java | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/build/builders/PatternBasedDeltaVisitor.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/build/builders/PatternBasedDeltaVisitor.java new file mode 100644 index 000000000..b52ede90c --- /dev/null +++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/build/builders/PatternBasedDeltaVisitor.java @@ -0,0 +1,139 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Eclipse Public License, Version 1.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.eclipse.org/org/documents/epl-v10.php + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.ide.eclipse.adt.internal.build.builders; + +import com.android.ide.eclipse.adt.AdtPlugin; +import com.android.ide.eclipse.adt.internal.build.BuildHelper; + +import org.eclipse.core.resources.IFolder; +import org.eclipse.core.resources.IProject; +import org.eclipse.core.resources.IResource; +import org.eclipse.core.resources.IResourceDelta; +import org.eclipse.core.resources.IResourceDeltaVisitor; +import org.eclipse.core.runtime.CoreException; +import org.eclipse.core.runtime.IPath; +import org.eclipse.core.runtime.IStatus; + +import java.util.ArrayList; +import java.util.IdentityHashMap; +import java.util.List; +import java.util.Map; + +/** + * Delta visitor checking changed files against given glob-patterns. + * + * The visitor is given {@link ChangedFileSet} objects which contains patterns to detect change + * in input and output files. (Output files are only tested if the delta indicate the file + * was removed). + * + * After the visitor has visited the whole delta, it can be queried to see which ChangedFileSet + * recognized a file change. (ChangedFileSet are immutable and do not record this info). + */ +class PatternBasedDeltaVisitor implements IResourceDeltaVisitor { + + private final static boolean DEBUG_LOG = "1".equals( //$NON-NLS-1$ + System.getenv("ANDROID_VISITOR_DEBUG")); //$NON-NLS-1$ + + private final IProject mMainProject; + private final IProject mDeltaProject; + + private final List<ChangedFileSet> mSets = new ArrayList<ChangedFileSet>(); + private final Map<ChangedFileSet, Boolean> mResults = + new IdentityHashMap<ChangedFileSet, Boolean>(); + + private final String mLogName; + + PatternBasedDeltaVisitor(IProject mainProject, IProject deltaProject, String logName) { + mMainProject = mainProject; + mDeltaProject = deltaProject; + mLogName = logName; + if (DEBUG_LOG) { + AdtPlugin.log(IStatus.INFO, "%s (%s): Delta for %s", //$NON-NLS-1$ + mMainProject.getName(), mLogName, mDeltaProject.getName()); + } + } + + void addSet(ChangedFileSet bundle) { + mSets.add(bundle); + } + + boolean checkSet(ChangedFileSet bundle) { + Boolean r = mResults.get(bundle); + if (r != null) { + return r.booleanValue(); + } + + return false; + } + + @Override + public boolean visit(IResourceDelta delta) throws CoreException { + IResource resource = delta.getResource(); + + if (resource.getType() == IResource.FOLDER) { + // always visit the subfolders, unless the folder is not to be included + return BuildHelper.checkFolderForPackaging((IFolder)resource); + + } else if (resource.getType() == IResource.FILE) { + IPath path = resource.getFullPath().makeRelativeTo(mDeltaProject.getFullPath()); + String pathStr = path.toString(); + + // FIXME: no need to loop through all the sets once they have all said they need something (return false below and above) + for (ChangedFileSet set : mSets) { + // FIXME: should ignore sets that have already returned true. + + if (set.isInput(pathStr, path)) { + mResults.put(set, Boolean.TRUE); + + if (DEBUG_LOG) { + String cfs_logName = set.getLogName(); + + if (cfs_logName != null) { + AdtPlugin.log(IStatus.INFO, "%s (%s:%s): %s", //$NON-NLS-1$ + mMainProject.getName(), mLogName, cfs_logName, + resource.getFullPath().toString()); + } else { + AdtPlugin.log(IStatus.INFO, "%s (%s): %s", //$NON-NLS-1$ + mMainProject.getName(), mLogName, + resource.getFullPath().toString()); + } + } + + } else if (delta.getKind() == IResourceDelta.REMOVED && + set.isOutput(pathStr, path)) { + mResults.put(set, Boolean.TRUE); + + if (DEBUG_LOG) { + String cfs_logName = set.getLogName(); + + if (cfs_logName != null) { + AdtPlugin.log(IStatus.INFO, "%s (%s:%s): %s", //$NON-NLS-1$ + mMainProject.getName(), mLogName, cfs_logName, + resource.getFullPath().toString()); + } else { + AdtPlugin.log(IStatus.INFO, "%s (%s): %s", //$NON-NLS-1$ + mMainProject.getName(), mLogName, + resource.getFullPath().toString()); + } + } + } + } + } + + return true; + } +} |