Example usage for org.eclipse.jdt.core IJavaProject getOutputLocation

List of usage examples for org.eclipse.jdt.core IJavaProject getOutputLocation

Introduction

In this page you can find the example usage for org.eclipse.jdt.core IJavaProject getOutputLocation.

Prototype

IPath getOutputLocation() throws JavaModelException;

Source Link

Document

Returns the default output location for this project as a workspace- relative absolute path.

Usage

From source file:com.android.ide.eclipse.adt.internal.lint.EclipseLintClient.java

License:Open Source License

@Override
@NonNull//from w ww  .  j a va2  s. c  o  m
protected ClassPathInfo getClassPath(@NonNull Project project) {
    ClassPathInfo info;
    if (mProjectInfo == null) {
        mProjectInfo = Maps.newHashMap();
        info = null;
    } else {
        info = mProjectInfo.get(project);
    }

    if (info == null) {
        List<File> sources = null;
        List<File> classes = null;
        List<File> libraries = null;

        IProject p = getProject(project);
        if (p != null) {
            try {
                IJavaProject javaProject = BaseProjectHelper.getJavaProject(p);

                // Output path
                File file = workspacePathToFile(javaProject.getOutputLocation());
                classes = Collections.singletonList(file);

                // Source path
                IClasspathEntry[] entries = javaProject.getRawClasspath();
                sources = new ArrayList<File>(entries.length);
                libraries = new ArrayList<File>(entries.length);
                for (int i = 0; i < entries.length; i++) {
                    IClasspathEntry entry = entries[i];
                    int kind = entry.getEntryKind();

                    if (kind == IClasspathEntry.CPE_VARIABLE) {
                        entry = JavaCore.getResolvedClasspathEntry(entry);
                        if (entry == null) {
                            // It's possible that the variable is no longer valid; ignore
                            continue;
                        }
                        kind = entry.getEntryKind();
                    }

                    if (kind == IClasspathEntry.CPE_SOURCE) {
                        sources.add(workspacePathToFile(entry.getPath()));
                    } else if (kind == IClasspathEntry.CPE_LIBRARY) {
                        libraries.add(entry.getPath().toFile());
                    }
                    // Note that we ignore IClasspathEntry.CPE_CONTAINER:
                    // Normal Android Eclipse projects supply both
                    //   AdtConstants.CONTAINER_FRAMEWORK
                    // and
                    //   AdtConstants.CONTAINER_LIBRARIES
                    // here. We ignore the framework classes for obvious reasons,
                    // but we also ignore the library container because lint will
                    // process the libraries differently. When Eclipse builds a
                    // project, it gets the .jar output of the library projects
                    // from this container, which means it doesn't have to process
                    // the library sources. Lint on the other hand wants to process
                    // the source code, so instead it actually looks at the
                    // project.properties file to find the libraries, and then it
                    // iterates over all the library projects in turn and analyzes
                    // those separately (but passing the main project for context,
                    // such that the including project's manifest declarations
                    // are used for data like minSdkVersion level).
                    //
                    // Note that this container will also contain *other*
                    // libraries (Java libraries, not library projects) that we
                    // *should* include. However, we can't distinguish these
                    // class path entries from the library project jars,
                    // so instead of looking at these, we simply listFiles() in
                    // the libs/ folder after processing the classpath info
                }

                // Add in libraries
                File libs = new File(project.getDir(), FD_NATIVE_LIBS);
                if (libs.isDirectory()) {
                    File[] jars = libs.listFiles();
                    if (jars != null) {
                        for (File jar : jars) {
                            if (SdkUtils.endsWith(jar.getPath(), DOT_JAR)) {
                                libraries.add(jar);
                            }
                        }
                    }
                }
            } catch (CoreException e) {
                AdtPlugin.log(e, null);
            }
        }

        if (sources == null) {
            sources = super.getClassPath(project).getSourceFolders();
        }
        if (classes == null) {
            classes = super.getClassPath(project).getClassFolders();
        }
        if (libraries == null) {
            libraries = super.getClassPath(project).getLibraries();
        }

        // No test folders in Eclipse:
        // https://bugs.eclipse.org/bugs/show_bug.cgi?id=224708
        List<File> tests = Collections.emptyList();

        info = new ClassPathInfo(sources, classes, libraries, tests);
        mProjectInfo.put(project, info);
    }

    return info;
}

From source file:com.android.ide.eclipse.adt.internal.project.BaseProjectHelper.java

License:Open Source License

/**
 * Returns the {@link IFolder} representing the output for the project for Android specific
 * files./*from ww w .ja v  a  2  s  .c  om*/
 * <p>
 * The project must be a java project and be opened, or the method will return null.
 * @param project the {@link IProject}
 * @return an IFolder item or null.
 */
public final static IFolder getJavaOutputFolder(IProject project) {
    try {
        if (project.isOpen() && project.hasNature(JavaCore.NATURE_ID)) {
            // get a java project from the normal project object
            IJavaProject javaProject = JavaCore.create(project);

            IPath path = javaProject.getOutputLocation();
            path = path.removeFirstSegments(1);
            return project.getFolder(path);
        }
    } catch (JavaModelException e) {
        // Let's do nothing and return null
    } catch (CoreException e) {
        // Let's do nothing and return null
    }
    return null;
}

From source file:com.android.ide.eclipse.adt.internal.project.ProjectHelper.java

License:Open Source License

/**
 * Fix the project classpath entries. The method ensures that:
 * <ul>/*from  w w  w. j  a  va2 s  .c o  m*/
 * <li>The project does not reference any old android.zip/android.jar archive.</li>
 * <li>The project does not use its output folder as a sourc folder.</li>
 * <li>The project does not reference a desktop JRE</li>
 * <li>The project references the AndroidClasspathContainer.
 * </ul>
 * @param javaProject The project to fix.
 * @throws JavaModelException
 */
public static void fixProjectClasspathEntries(IJavaProject javaProject) throws JavaModelException {

    // get the project classpath
    IClasspathEntry[] entries = javaProject.getRawClasspath();
    IClasspathEntry[] oldEntries = entries;
    boolean forceRewriteOfCPE = false;

    // check if the JRE is set as library
    int jreIndex = ProjectHelper.findClasspathEntryByPath(entries, JavaRuntime.JRE_CONTAINER,
            IClasspathEntry.CPE_CONTAINER);
    if (jreIndex != -1) {
        // the project has a JRE included, we remove it
        entries = ProjectHelper.removeEntryFromClasspath(entries, jreIndex);
    }

    // get the output folder
    IPath outputFolder = javaProject.getOutputLocation();

    boolean foundFrameworkContainer = false;
    IClasspathEntry foundLibrariesContainer = null;
    IClasspathEntry foundDependenciesContainer = null;

    for (int i = 0; i < entries.length;) {
        // get the entry and kind
        IClasspathEntry entry = entries[i];
        int kind = entry.getEntryKind();

        if (kind == IClasspathEntry.CPE_SOURCE) {
            IPath path = entry.getPath();

            if (path.equals(outputFolder)) {
                entries = ProjectHelper.removeEntryFromClasspath(entries, i);

                // continue, to skip the i++;
                continue;
            }
        } else if (kind == IClasspathEntry.CPE_CONTAINER) {
            String path = entry.getPath().toString();
            if (AdtConstants.CONTAINER_FRAMEWORK.equals(path)) {
                foundFrameworkContainer = true;
            } else if (AdtConstants.CONTAINER_PRIVATE_LIBRARIES.equals(path)) {
                foundLibrariesContainer = entry;
            } else if (AdtConstants.CONTAINER_DEPENDENCIES.equals(path)) {
                foundDependenciesContainer = entry;
            }
        }

        i++;
    }

    // look to see if we have the m2eclipse nature
    boolean m2eNature = false;
    try {
        m2eNature = javaProject.getProject().hasNature("org.eclipse.m2e.core.maven2Nature");
    } catch (CoreException e) {
        AdtPlugin.log(e, "Failed to query project %s for m2e nature", javaProject.getProject().getName());
    }

    // if the framework container is not there, we add it
    if (!foundFrameworkContainer) {
        // add the android container to the array
        entries = ProjectHelper.addEntryToClasspath(entries,
                JavaCore.newContainerEntry(new Path(AdtConstants.CONTAINER_FRAMEWORK)));
    }

    // same thing for the library container
    if (foundLibrariesContainer == null) {
        // add the exported libraries android container to the array
        entries = ProjectHelper.addEntryToClasspath(entries,
                JavaCore.newContainerEntry(new Path(AdtConstants.CONTAINER_PRIVATE_LIBRARIES), true));
    } else if (!m2eNature && !foundLibrariesContainer.isExported()) {
        // the container is present but it's not exported and since there's no m2e nature
        // we do want it to be exported.
        // keep all the other parameters the same.
        entries = ProjectHelper.replaceEntryInClasspath(entries,
                JavaCore.newContainerEntry(new Path(AdtConstants.CONTAINER_PRIVATE_LIBRARIES),
                        foundLibrariesContainer.getAccessRules(), foundLibrariesContainer.getExtraAttributes(),
                        true));
        forceRewriteOfCPE = true;
    }

    // same thing for the dependencies container
    if (foundDependenciesContainer == null) {
        // add the android dependencies container to the array
        entries = ProjectHelper.addEntryToClasspath(entries,
                JavaCore.newContainerEntry(new Path(AdtConstants.CONTAINER_DEPENDENCIES), true));
    } else if (!m2eNature && !foundDependenciesContainer.isExported()) {
        // the container is present but it's not exported and since there's no m2e nature
        // we do want it to be exported.
        // keep all the other parameters the same.
        entries = ProjectHelper.replaceEntryInClasspath(entries,
                JavaCore.newContainerEntry(new Path(AdtConstants.CONTAINER_DEPENDENCIES),
                        foundDependenciesContainer.getAccessRules(),
                        foundDependenciesContainer.getExtraAttributes(), true));
        forceRewriteOfCPE = true;
    }

    // set the new list of entries to the project
    if (entries != oldEntries || forceRewriteOfCPE) {
        javaProject.setRawClasspath(entries, new NullProgressMonitor());
    }

    // If needed, check and fix compiler compliance and source compatibility
    ProjectHelper.checkAndFixCompilerCompliance(javaProject);
}

From source file:com.android.ide.eclipse.adt.internal.resources.manager.ProjectClassLoader.java

License:Open Source License

/**
 * Attempts to load a class from a project output folder.
 * @param project the project to load the class from
 * @param name the name of the class//from w  ww .ja va2 s . com
 * @return a class object if found, null otherwise.
 */
private Class<?> loadFromProject(IJavaProject project, String name) {
    try {
        // get the project output folder.
        IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
        IPath outputLocation = project.getOutputLocation();
        IResource outRes = root.findMember(outputLocation);
        if (outRes == null) {
            return null;
        }

        File outFolder = new File(outRes.getLocation().toOSString());

        // get the class name segments
        String[] segments = name.split("\\."); //$NON-NLS-1$

        // try to load the class from the bin folder of the project.
        File classFile = getFile(outFolder, segments, 0);
        if (classFile == null) {
            return null;
        }

        // load the content of the file and create the class.
        FileInputStream fis = new FileInputStream(classFile);
        byte[] data = new byte[(int) classFile.length()];
        int read = 0;
        try {
            read = fis.read(data);
        } catch (IOException e) {
            data = null;
        }
        fis.close();

        if (data != null) {
            try {
                Class<?> clazz = defineClass(null, data, 0, read);
                if (clazz != null) {
                    return clazz;
                }
            } catch (UnsupportedClassVersionError e) {
                // Attempt to reload on lower version
                int maxVersion = 50; // JDK 1.6
                try {
                    byte[] rewritten = rewriteClass(data, maxVersion, 0);
                    return defineClass(null, rewritten, 0, rewritten.length);
                } catch (UnsupportedClassVersionError e2) {
                    throw e; // throw *original* exception, not attempt to rewrite
                }
            }
        }
    } catch (Exception e) {
        // log the exception?
    }

    return null;
}

From source file:com.android.ide.eclipse.adt.project.ProjectHelper.java

License:Open Source License

/**
 * Fix the project classpath entries. The method ensures that:
 * <ul>/*from w ww . j  a v a  2s  .c o  m*/
 * <li>The project does not reference any old android.zip/android.jar archive.</li>
 * <li>The project does not use its output folder as a sourc folder.</li>
 * <li>The project does not reference a desktop JRE</li>
 * <li>The project references the AndroidClasspathContainer.
 * </ul>
 * @param javaProject The project to fix.
 * @throws JavaModelException
 */
public static void fixProjectClasspathEntries(IJavaProject javaProject) throws JavaModelException {

    // get the project classpath
    IClasspathEntry[] entries = javaProject.getRawClasspath();
    IClasspathEntry[] oldEntries = entries;

    // check if the JRE is set as library
    int jreIndex = ProjectHelper.findClasspathEntryByPath(entries, JavaRuntime.JRE_CONTAINER,
            IClasspathEntry.CPE_CONTAINER);
    if (jreIndex != -1) {
        // the project has a JRE included, we remove it
        entries = ProjectHelper.removeEntryFromClasspath(entries, jreIndex);
    }

    // get the output folder
    IPath outputFolder = javaProject.getOutputLocation();

    boolean foundContainer = false;

    for (int i = 0; i < entries.length;) {
        // get the entry and kind
        IClasspathEntry entry = entries[i];
        int kind = entry.getEntryKind();

        if (kind == IClasspathEntry.CPE_SOURCE) {
            IPath path = entry.getPath();

            if (path.equals(outputFolder)) {
                entries = ProjectHelper.removeEntryFromClasspath(entries, i);

                // continue, to skip the i++;
                continue;
            }
        } else if (kind == IClasspathEntry.CPE_CONTAINER) {
            if (AndroidClasspathContainerInitializer.checkPath(entry.getPath())) {
                foundContainer = true;
            }
        }

        i++;
    }

    // if the framework container is not there, we add it
    if (foundContainer == false) {
        // add the android container to the array
        entries = ProjectHelper.addEntryToClasspath(entries,
                AndroidClasspathContainerInitializer.getContainerEntry());
    }

    // set the new list of entries to the project
    if (entries != oldEntries) {
        javaProject.setRawClasspath(entries, new NullProgressMonitor());
    }

    // If needed, check and fix compiler compliance and source compatibility
    ProjectHelper.checkAndFixCompilerCompliance(javaProject);
}

From source file:com.android.ide.eclipse.auidt.internal.build.BuildHelper.java

License:Open Source License

/**
 * Computes all the project output and dependencies that must go into building the apk.
 *
 * @param resMarker/* w w  w  . j  a  v a2s. c o m*/
 * @throws CoreException
 */
private void gatherPaths(ResourceMarker resMarker) throws CoreException {
    IWorkspaceRoot wsRoot = ResourcesPlugin.getWorkspace().getRoot();

    // get a java project for the project.
    IJavaProject javaProject = JavaCore.create(mProject);

    // get the output of the main project
    IPath path = javaProject.getOutputLocation();
    IResource outputResource = wsRoot.findMember(path);
    if (outputResource != null && outputResource.getType() == IResource.FOLDER) {
        mCompiledCodePaths.add(outputResource.getLocation().toOSString());
    }

    // we could use IJavaProject.getResolvedClasspath directly, but we actually
    // want to see the containers themselves.
    IClasspathEntry[] classpaths = javaProject.readRawClasspath();
    if (classpaths != null) {
        for (IClasspathEntry e : classpaths) {
            // ignore non exported entries, unless it's the LIBRARIES container,
            // in which case we always want it (there may be some older projects that
            // have it as non exported).
            if (e.isExported() || (e.getEntryKind() == IClasspathEntry.CPE_CONTAINER
                    && e.getPath().toString().equals(AdtConstants.CONTAINER_LIBRARIES))) {
                handleCPE(e, javaProject, wsRoot, resMarker);
            }
        }
    }
}

From source file:com.android.ide.eclipse.auidt.internal.build.BuildHelper.java

License:Open Source License

private void handleCPE(IClasspathEntry entry, IJavaProject javaProject, IWorkspaceRoot wsRoot,
        ResourceMarker resMarker) {/*from  ww w  . ja va  2 s.  c  o  m*/

    // if this is a classpath variable reference, we resolve it.
    if (entry.getEntryKind() == IClasspathEntry.CPE_VARIABLE) {
        entry = JavaCore.getResolvedClasspathEntry(entry);
    }

    if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT) {
        IProject refProject = wsRoot.getProject(entry.getPath().lastSegment());
        try {
            // ignore if it's an Android project, or if it's not a Java Project
            if (refProject.hasNature(JavaCore.NATURE_ID)
                    && refProject.hasNature(AdtConstants.NATURE_DEFAULT) == false) {
                IJavaProject refJavaProject = JavaCore.create(refProject);

                // get the output folder
                IPath path = refJavaProject.getOutputLocation();
                IResource outputResource = wsRoot.findMember(path);
                if (outputResource != null && outputResource.getType() == IResource.FOLDER) {
                    mCompiledCodePaths.add(outputResource.getLocation().toOSString());
                }
            }
        } catch (CoreException exception) {
            // can't query the project nature? ignore
        }

    } else if (entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
        handleClasspathLibrary(entry, wsRoot, resMarker);
    } else if (entry.getEntryKind() == IClasspathEntry.CPE_CONTAINER) {
        // get the container
        try {
            IClasspathContainer container = JavaCore.getClasspathContainer(entry.getPath(), javaProject);
            // ignore the system and default_system types as they represent
            // libraries that are part of the runtime.
            if (container.getKind() == IClasspathContainer.K_APPLICATION) {
                IClasspathEntry[] entries = container.getClasspathEntries();
                for (IClasspathEntry cpe : entries) {
                    handleCPE(cpe, javaProject, wsRoot, resMarker);
                }
            }
        } catch (JavaModelException jme) {
            // can't resolve the container? ignore it.
            AdtPlugin.log(jme, "Failed to resolve ClasspathContainer: %s", entry.getPath());
        }
    }
}

From source file:com.android.ide.eclipse.auidt.internal.lint.EclipseLintClient.java

License:Open Source License

@Override
@NonNull/*from   w w  w  .j av  a  2  s.c om*/
protected ClassPathInfo getClassPath(@NonNull Project project) {
    ClassPathInfo info;
    if (mProjectInfo == null) {
        mProjectInfo = Maps.newHashMap();
        info = null;
    } else {
        info = mProjectInfo.get(project);
    }

    if (info == null) {
        List<File> sources = null;
        List<File> classes = null;
        List<File> libraries = null;

        IProject p = getProject(project);
        if (p != null) {
            try {
                IJavaProject javaProject = BaseProjectHelper.getJavaProject(p);

                // Output path
                File file = workspacePathToFile(javaProject.getOutputLocation());
                classes = Collections.singletonList(file);

                // Source path
                IClasspathEntry[] entries = javaProject.getRawClasspath();
                sources = new ArrayList<File>(entries.length);
                libraries = new ArrayList<File>(entries.length);
                for (int i = 0; i < entries.length; i++) {
                    IClasspathEntry entry = entries[i];
                    int kind = entry.getEntryKind();

                    if (kind == IClasspathEntry.CPE_VARIABLE) {
                        entry = JavaCore.getResolvedClasspathEntry(entry);
                        kind = entry.getEntryKind();
                    }

                    if (kind == IClasspathEntry.CPE_SOURCE) {
                        sources.add(workspacePathToFile(entry.getPath()));
                    } else if (kind == IClasspathEntry.CPE_LIBRARY) {
                        libraries.add(entry.getPath().toFile());
                    }
                    // Note that we ignore IClasspathEntry.CPE_CONTAINER:
                    // Normal Android Eclipse projects supply both
                    //   AdtConstants.CONTAINER_FRAMEWORK
                    // and
                    //   AdtConstants.CONTAINER_LIBRARIES
                    // here. We ignore the framework classes for obvious reasons,
                    // but we also ignore the library container because lint will
                    // process the libraries differently. When Eclipse builds a
                    // project, it gets the .jar output of the library projects
                    // from this container, which means it doesn't have to process
                    // the library sources. Lint on the other hand wants to process
                    // the source code, so instead it actually looks at the
                    // project.properties file to find the libraries, and then it
                    // iterates over all the library projects in turn and analyzes
                    // those separately (but passing the main project for context,
                    // such that the including project's manifest declarations
                    // are used for data like minSdkVersion level).
                    //
                    // Note that this container will also contain *other*
                    // libraries (Java libraries, not library projects) that we
                    // *should* include. However, we can't distinguish these
                    // class path entries from the library project jars,
                    // so instead of looking at these, we simply listFiles() in
                    // the libs/ folder after processing the classpath info
                }

                // Add in libraries
                File libs = new File(project.getDir(), FD_NATIVE_LIBS);
                if (libs.isDirectory()) {
                    File[] jars = libs.listFiles();
                    if (jars != null) {
                        for (File jar : jars) {
                            if (AdtUtils.endsWith(jar.getPath(), DOT_JAR)) {
                                libraries.add(jar);
                            }
                        }
                    }
                }
            } catch (CoreException e) {
                AdtPlugin.log(e, null);
            }
        }

        if (sources == null) {
            sources = super.getClassPath(project).getSourceFolders();
        }
        if (classes == null) {
            classes = super.getClassPath(project).getClassFolders();
        }
        if (libraries == null) {
            libraries = super.getClassPath(project).getLibraries();
        }

        info = new ClassPathInfo(sources, classes, libraries);
        mProjectInfo.put(project, info);
    }

    return info;
}

From source file:com.android.ide.eclipse.auidt.internal.project.ProjectHelper.java

License:Open Source License

/**
 * Fix the project classpath entries. The method ensures that:
 * <ul>//from w w w.j av a  2s.co m
 * <li>The project does not reference any old android.zip/android.jar archive.</li>
 * <li>The project does not use its output folder as a sourc folder.</li>
 * <li>The project does not reference a desktop JRE</li>
 * <li>The project references the AndroidClasspathContainer.
 * </ul>
 * @param javaProject The project to fix.
 * @throws JavaModelException
 */
public static void fixProjectClasspathEntries(IJavaProject javaProject) throws JavaModelException {

    // get the project classpath
    IClasspathEntry[] entries = javaProject.getRawClasspath();
    IClasspathEntry[] oldEntries = entries;

    // check if the JRE is set as library
    int jreIndex = ProjectHelper.findClasspathEntryByPath(entries, JavaRuntime.JRE_CONTAINER,
            IClasspathEntry.CPE_CONTAINER);
    if (jreIndex != -1) {
        // the project has a JRE included, we remove it
        entries = ProjectHelper.removeEntryFromClasspath(entries, jreIndex);
    }

    // get the output folder
    IPath outputFolder = javaProject.getOutputLocation();

    boolean foundFrameworkContainer = false;
    boolean foundLibrariesContainer = false;

    for (int i = 0; i < entries.length;) {
        // get the entry and kind
        IClasspathEntry entry = entries[i];
        int kind = entry.getEntryKind();

        if (kind == IClasspathEntry.CPE_SOURCE) {
            IPath path = entry.getPath();

            if (path.equals(outputFolder)) {
                entries = ProjectHelper.removeEntryFromClasspath(entries, i);

                // continue, to skip the i++;
                continue;
            }
        } else if (kind == IClasspathEntry.CPE_CONTAINER) {
            String path = entry.getPath().toString();
            if (AdtConstants.CONTAINER_FRAMEWORK.equals(path)) {
                foundFrameworkContainer = true;
            }
            if (AdtConstants.CONTAINER_LIBRARIES.equals(path)) {
                foundLibrariesContainer = true;
            }
        }

        i++;
    }

    // same thing for the library container
    if (foundLibrariesContainer == false) {
        // add the android container to the array
        entries = ProjectHelper.addEntryToClasspath(entries,
                JavaCore.newContainerEntry(new Path(AdtConstants.CONTAINER_LIBRARIES)));
    }

    // if the framework container is not there, we add it
    if (foundFrameworkContainer == false) {
        // add the android container to the array
        entries = ProjectHelper.addEntryToClasspath(entries,
                JavaCore.newContainerEntry(new Path(AdtConstants.CONTAINER_FRAMEWORK)));
    }

    // set the new list of entries to the project
    if (entries != oldEntries) {
        javaProject.setRawClasspath(entries, new NullProgressMonitor());
    }

    // If needed, check and fix compiler compliance and source compatibility
    ProjectHelper.checkAndFixCompilerCompliance(javaProject);
}

From source file:com.android.ide.eclipse.auidt.internal.resources.manager.ProjectClassLoader.java

License:Open Source License

/**
 * Attempts to load a class from a project output folder.
 * @param project the project to load the class from
 * @param name the name of the class//from w ww.  j a  va2  s .  c  om
 * @return a class object if found, null otherwise.
 */
private Class<?> loadFromProject(IJavaProject project, String name) {
    try {
        // get the project output folder.
        IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
        IPath outputLocation = project.getOutputLocation();
        IResource outRes = root.findMember(outputLocation);
        if (outRes == null) {
            return null;
        }

        File outFolder = new File(outRes.getLocation().toOSString());

        // get the class name segments
        String[] segments = name.split("\\."); //$NON-NLS-1$

        // try to load the class from the bin folder of the project.
        File classFile = getFile(outFolder, segments, 0);
        if (classFile == null) {
            return null;
        }

        // load the content of the file and create the class.
        FileInputStream fis = new FileInputStream(classFile);
        byte[] data = new byte[(int) classFile.length()];
        int read = 0;
        try {
            read = fis.read(data);
        } catch (IOException e) {
            data = null;
        }
        fis.close();

        if (data != null) {
            Class<?> clazz = defineClass(null, data, 0, read);
            if (clazz != null) {
                return clazz;
            }
        }
    } catch (Exception e) {
        // log the exception?
    }

    return null;
}