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SF #3489951: Don't process class files in team provider folders.
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136 changes: 136 additions & 0 deletions
136
...eclemma.core/src/com/mountainminds/eclemma/internal/core/analysis/ResourceTreeWalker.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2006, 2012 Mountainminds GmbH & Co. KG and Contributors | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License v1.0 | ||
| * which accompanies this distribution, and is available at | ||
| * https://www.eclipse.org/legal/epl-v10.html | ||
| * | ||
| * Contributors: | ||
| * Marc R. Hoffmann - initial API and implementation | ||
| * | ||
| ******************************************************************************/ | ||
| package com.mountainminds.eclemma.internal.core.analysis; | ||
|
|
||
| import java.io.BufferedInputStream; | ||
| import java.io.File; | ||
| import java.io.FileInputStream; | ||
| import java.io.FileNotFoundException; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
|
|
||
| import org.eclipse.core.resources.IContainer; | ||
| import org.eclipse.core.resources.IFile; | ||
| import org.eclipse.core.resources.IResource; | ||
| import org.eclipse.core.runtime.CoreException; | ||
| import org.eclipse.core.runtime.IPath; | ||
| import org.jacoco.core.analysis.Analyzer; | ||
|
|
||
| /** | ||
| * Internal utility to walk through a resource tree and identify all class | ||
| * files. | ||
| */ | ||
| class ResourceTreeWalker { | ||
|
|
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| private final Analyzer analyzer; | ||
|
|
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| public ResourceTreeWalker(Analyzer analyzer) { | ||
| this.analyzer = analyzer; | ||
| } | ||
|
|
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| public void walk(IResource resource) throws CoreException, IOException { | ||
| if (resource.getType() == IResource.FILE) { | ||
| final IFile file = (IFile) resource; | ||
| final InputStream in = file.getContents(true); | ||
| try { | ||
| analyzer.analyzeArchive(in); | ||
| } finally { | ||
| in.close(); | ||
| } | ||
| } else { | ||
| walkResource(resource); | ||
| } | ||
| } | ||
|
|
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| private void walkResource(IResource resource) throws CoreException, | ||
| IOException { | ||
| switch (resource.getType()) { | ||
| case IResource.FILE: | ||
| if (resource.getName().endsWith(".class")) { //$NON-NLS-1$ | ||
| final IFile file = (IFile) resource; | ||
| final InputStream in = file.getContents(true); | ||
| try { | ||
| analyzer.analyzeAll(in); | ||
| } finally { | ||
| in.close(); | ||
| } | ||
| } | ||
| break; | ||
| case IResource.FOLDER: | ||
| case IResource.PROJECT: | ||
| // Do not traverse into folders like ".svn" | ||
| if (isJavaIdentifier(resource.getName())) { | ||
| final IContainer container = (IContainer) resource; | ||
| for (final IResource child : container.members()) { | ||
| walkResource(child); | ||
| } | ||
| } | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| public void walk(IPath path) throws IOException { | ||
| final File file = path.toFile(); | ||
| if (file.isFile()) { | ||
| final InputStream in = open(file); | ||
| try { | ||
| analyzer.analyzeArchive(in); | ||
| } finally { | ||
| in.close(); | ||
| } | ||
| } else { | ||
| walkFile(file); | ||
| } | ||
| } | ||
|
|
||
| private void walkFile(File file) throws IOException { | ||
| if (file.isFile()) { | ||
| if (file.getName().endsWith(".class")) { //$NON-NLS-1$ | ||
| final InputStream in = open(file); | ||
| try { | ||
| analyzer.analyzeAll(in); | ||
| } finally { | ||
| in.close(); | ||
| } | ||
| } | ||
| } else { | ||
| // Do not traverse into folders like ".svn" | ||
| if (isJavaIdentifier(file.getName())) { | ||
| for (final File child : file.listFiles()) { | ||
| walkFile(child); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| private BufferedInputStream open(final File file) | ||
| throws FileNotFoundException { | ||
| return new BufferedInputStream(new FileInputStream(file)); | ||
| } | ||
|
|
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| private boolean isJavaIdentifier(String name) { | ||
| for (int i = 0; i < name.length(); i++) { | ||
| final char c = name.charAt(i); | ||
| if (i == 0) { | ||
| if (!Character.isJavaIdentifierStart(c)) { | ||
| return false; | ||
| } | ||
| } else { | ||
| if (!Character.isJavaIdentifierPart(c)) { | ||
| return false; | ||
| } | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
|
|
||
| } |
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