Java Sources.addChangeListener方法代码示例

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
void init(Project p) {
    Sources sources = ProjectUtils.getSources(p);
    sources.addChangeListener(this);
    SourceGroup[] groups = sources.getSourceGroups(Sources.TYPE_GENERIC);
    roots = new FileObject[groups.length];
    for (int i = 0; i < groups.length; i++) {
        SourceGroup group = groups[i];
        FileObject rootFolder = group.getRootFolder();
        roots[i] = rootFolder;
        rootFolder.addRecursiveListener(this);
        //scan(rootFolder);
        rootsToScan.add(rootFolder);
    }
    scanningTask = RP.post(this);
    DependencyProjectProvider prov = p.getLookup().lookup(DependencyProjectProvider.class);
    if (prov != null) {
        projectDependencyManager = new ProjectDependencyManager(prov);
    }
}
 

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
public void testNewlyCreatedSourceGroup() throws Exception { // #200969
    TestFileUtils.writeFile(d, "pom.xml", "<project><modelVersion>4.0.0</modelVersion><groupId>g</groupId><artifactId>a</artifactId><version>0</version></project>");
    FileObject main = FileUtil.createFolder(d, "src/main/java");
    Project p = ProjectManager.getDefault().findProject(d);
    Sources s = ProjectUtils.getSources(p);
    SourceGroup[] grps = s.getSourceGroups(JavaProjectConstants.SOURCES_TYPE_JAVA);
    assertEquals(1, grps.length);
    assertEquals(main, grps[0].getRootFolder());
    MockChangeListener l = new MockChangeListener();
    s.addChangeListener(l);
    SourceGroup g2 = SourceGroupModifier.createSourceGroup(p, JavaProjectConstants.SOURCES_TYPE_JAVA, JavaProjectConstants.SOURCES_HINT_TEST);
    l.assertEvent();
    grps = s.getSourceGroups(JavaProjectConstants.SOURCES_TYPE_JAVA);
    assertEquals(2, grps.length);
    assertEquals(main, grps[0].getRootFolder());
    assertEquals(g2, grps[1]);
}
 

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
public void testManuallyDeletedSourceGroup() throws Exception { // #204545
    TestFileUtils.writeFile(d, "pom.xml", "<project><modelVersion>4.0.0</modelVersion><groupId>g</groupId><artifactId>a</artifactId><version>0</version></project>");
    FileObject main = FileUtil.createFolder(d, "src/main/java");
    FileObject test = FileUtil.createFolder(d, "src/test/java");
    Project p = ProjectManager.getDefault().findProject(d);
    Sources s = ProjectUtils.getSources(p);
    SourceGroup[] grps = s.getSourceGroups(JavaProjectConstants.SOURCES_TYPE_JAVA);
    assertEquals(2, grps.length);
    assertEquals(main, grps[0].getRootFolder());
    assertEquals(test, grps[1].getRootFolder());
    MockChangeListener l = new MockChangeListener();
    s.addChangeListener(l);
    test.getParent().delete();
    l.assertEvent();
    grps = s.getSourceGroups(JavaProjectConstants.SOURCES_TYPE_JAVA);
    assertEquals(1, grps.length);
    assertEquals(main, grps[0].getRootFolder());
}
 

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
public void testSourceRootDeletion() throws Exception {
    // Cf. #40845. Need to fire a change if a root is deleted while project is open.
    Sources s = sh.createSources();
    SourceGroup[] groups = s.getSourceGroups("java");
    assertEquals("should have src1dir plus src3dir", 2, groups.length);
    assertEquals("group #1 is src1dir", src1dir, groups[0].getRootFolder());
    assertEquals("group #2 is src3dir", src3dir, groups[1].getRootFolder());
    MockChangeListener l = new MockChangeListener();
    s.addChangeListener(l);
    src3dir.delete();
    l.msg("got a change after src3dir deleted").assertEvent();
    groups = s.getSourceGroups("java");
    assertEquals("should have just src1dir", 1, groups.length);
    assertEquals("group #1 is src1dir", src1dir, groups[0].getRootFolder());
    src1dir.delete();
    l.msg("got a change after src1dir deleted").assertEvent();
    groups = s.getSourceGroups("java");
    assertEquals("should have no dirs", 0, groups.length);
    FileObject src5dir = scratch.createFolder("nonesuch");
    l.msg("got a change after src5dir created").assertEvent();
    groups = s.getSourceGroups("java");
    assertEquals("should have src15dir now", 1, groups.length);
    assertEquals("group #1 is src5dir", src5dir, groups[0].getRootFolder());
}
 

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
private void setProjectFiles(Project project) {
    Sources sources = ProjectUtils.getSources(project);  // returns singleton
    if (sourcesListener == null) {
        sourcesListener = WeakListeners.change(this, sources);
        sources.addChangeListener(sourcesListener);
    }
    setGroups(Arrays.asList(sources.getSourceGroups(Sources.TYPE_GENERIC)), project.getProjectDirectory());
}
 

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
public void testSourceRootChanges() throws Exception {
    FileObject top = FileUtil.toFileObject(copyFolder(FileUtil.toFile(egdirFO.getFileObject("extsrcroot"))));
    FreeformProject extsrcroot_ = (FreeformProject) ProjectManager.getDefault().findProject(top.getFileObject("proj"));
    Sources s = ProjectUtils.getSources(extsrcroot_);
    SourceGroup[] groups = s.getSourceGroups("java");
    assertEquals("one Java group", 1, groups.length);
    assertEquals("right root folder", top.getFileObject("src"), groups[0].getRootFolder());
    TestCL l = new TestCL();
    s.addChangeListener(l);
    Element data = extsrcroot_.getPrimaryConfigurationData();
    Element folders = XMLUtil.findElement(data, "folders", FreeformProjectType.NS_GENERAL);
    assertNotNull("have <folders>", folders);
    List<Element> sourceFolders = XMLUtil.findSubElements(folders);
    assertEquals("have 2 <source-folder>s", 2, sourceFolders.size());
    Element sourceFolder = sourceFolders.get(1);
    Element location = XMLUtil.findElement(sourceFolder, "location", FreeformProjectType.NS_GENERAL);
    assertNotNull("have <location>", location);
    NodeList nl = location.getChildNodes();
    assertEquals("one child (text)", 1, nl.getLength());
    location.removeChild(nl.item(0));
    location.appendChild(location.getOwnerDocument().createTextNode("../src2"));
    extsrcroot_.putPrimaryConfigurationData(data);
    assertEquals("got a change in Sources", 1, l.changeCount());
    groups = s.getSourceGroups("java");
    assertEquals("one Java group", 1, groups.length);
    assertEquals("right root folder", top.getFileObject("src2"), groups[0].getRootFolder());
}
 

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
private Lookup createLookup(ProjectInformation info, AuxiliaryConfiguration aux, AntProjectHelper helper, FileBuiltQueryImplementation fileBuilt, final SourcesHelper sourcesHelper) {
    Sources srcs = sourcesHelper.createSources();
    srcs.addChangeListener(new ChangeListener() {
        @Override public void stateChanged(ChangeEvent e) {
            // added source root, probably via SourceGroupModifiedImplementation
            getLookup().lookup(ModuleActions.class).refresh();
        }
    });
    ExtraSJQEvaluator eJSQEval = new ExtraSJQEvaluator();

    ic.add(this);
    ic.add(info);
    ic.add(aux);
    ic.add(helper.createCacheDirectoryProvider());
    ic.add(helper.createAuxiliaryProperties());
    ic.add(new SavedHook());
    ic.add(UILookupMergerSupport.createProjectOpenHookMerger(new OpenedHook()));
    ic.add(new ModuleActions(this));
    ic.add(new ClassPathProviderImpl(this));
    ic.add(new SourceForBinaryImpl(this));
    ic.add(new BinaryForSourceImpl(this));
    ic.add(LookupMergerSupport.createSFBLookupMerger());
    ic.add(createESQI(eJSQEval));
    ic.add(new JavadocForBinaryImpl(this));
    ic.add(LookupMergerSupport.createJFBLookupMerger());
    ic.add(createEJQI(eJSQEval));
    ic.add(new UnitTestForSourceQueryImpl(this));
    ic.add(new ModuleLogicalView(this));
    ic.add(new SubprojectProviderImpl(this));
    ic.add(fileBuilt);
    ic.add(new AccessibilityQueryImpl(this));
    ic.add(new SourceLevelQueryImpl(this));
    //ic.add(new ProjectWhiteListQueryImplementation(this));
    ic.add(new ProjectWhiteListQueryImplementation(this));
    ic.add(new NbModulePackageModifierImplementation(this));
    ic.add(helper.createSharabilityQuery2(evaluator(), new String[0], new String[]{
                "${build.dir}", // NOI18N
            }));
    ic.add(srcs);
    ic.add(sourcesHelper.createSourceGroupModifierImplementation());    // XXX only for unit tests, will need custom impl for qa-functional
    ic.add(new AntArtifactProviderImpl(this, helper, evaluator()));
    ic.add(new CustomizerProviderImpl(this, getHelper(), evaluator()));
    ic.add(new NbModuleProviderImpl(this));
    ic.add(new NbRefactoringProviderImpl(this));
    ic.add(new NbProjectProviderImpl(this));
    ic.add(new PrivilegedTemplatesImpl());
    ic.add(new ModuleProjectClassPathExtender(this));
    ic.add(new LocalizedBundleInfoProvider());
    ic.add(new ModuleOperations(this));
    ic.add(LookupProviderSupport.createSourcesMerger());
    ic.add(UILookupMergerSupport.createPrivilegedTemplatesMerger());
    ic.add(UILookupMergerSupport.createRecommendedTemplatesMerger());
    ic.add(new TemplateAttributesProvider(this, getHelper(), getModuleType() == NbModuleType.NETBEANS_ORG));
    ic.add(new FileEncodingQueryImpl());
    ic.add(new AnnotationProcessingQueryImpl(this));
    ic.add(new PlatformJarProviderImpl());

    if (getModuleType() == NbModuleType.SUITE_COMPONENT) {
        ic.add(new SuiteProviderImpl());
    }
    Lookup baseLookup = new AbstractLookup(ic);
    return  LookupProviderSupport.createCompositeLookup(baseLookup, "Projects/org-netbeans-modules-apisupport-project/Lookup"); //NOI18N
}
 

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
@NonNull
final Node logicalViewForProject(
        @NonNull final Project project,
        final Union2<LogicalViewProvider,org.openide.util.Pair<Sources,SourceGroup[]>> data,
        final boolean[] projectInLookup) {
    Node node;            
    if (!data.hasFirst()) {
        LOG.log(
                Level.WARNING,
                "Warning - project of {0} in {1} failed to supply a LogicalViewProvider in its lookup",  // NOI18N
                new Object[]{
                    project.getClass(),
                    FileUtil.getFileDisplayName(project.getProjectDirectory())
                });
        final Sources sources = data.second().first();
        final SourceGroup[] groups = data.second().second();
        sources.removeChangeListener(this);
        sources.addChangeListener(this);
        if (groups.length > 0) {
            node = PhysicalView.createNodeForSourceGroup(groups[0], project);
        } else {
            node = Node.EMPTY;
        }
    } else {
        final LogicalViewProvider lvp = data.first();
        node = lvp.createLogicalView();
        if (!project.equals(node.getLookup().lookup(Project.class))) {
            // Various actions, badging, etc. are not going to work.
            LOG.log(
                    Level.WARNING,
                    "Warning - project {0} failed to supply itself in the lookup of the root node of its own logical view",  // NOI18N
                    ProjectUtils.getInformation(project).getName());
            //#114664
            if (projectInLookup != null) {
                projectInLookup[0] = false;
            }
        }
    }                        
    node.addNodeListener(WeakListeners.create(NodeListener.class, this, node));
    return node;
}
 

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
@Override
public void addNotify() {
    Sources srcs = ProjectUtils.getSources(project);
    srcs.addChangeListener(this);
}
 

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
public void testSourceLocationChangesFired() throws Exception {
    Sources s = sh.createSources();
    // Listen to changes.
    MockChangeListener l = new MockChangeListener();
    s.addChangeListener(l);
    // Check baseline GENERIC sources.
    SourceGroup[] groups = s.getSourceGroups(Sources.TYPE_GENERIC);
    assertEquals("should have maindir plus src2dir plus src3dir", 3, groups.length);
    assertEquals("group #1 is src2dir", src2dir, groups[0].getRootFolder());
    assertEquals("group #2 is src3dir", src3dir, groups[1].getRootFolder());
    assertEquals("group #3 is maindir", maindir, groups[2].getRootFolder());
    l.assertNoEvents();
    // Now change one of them to a different dir.
    EditableProperties p = h.getProperties(AntProjectHelper.PROJECT_PROPERTIES_PATH);
    p.setProperty("src2.dir", "../../src4");
    p.setProperty("src2a.dir", "nonsense");
    h.putProperties(AntProjectHelper.PROJECT_PROPERTIES_PATH, p);
    ProjectManager.getDefault().saveProject(project);
    l.msg("got change in GENERIC sources").assertEvent();
    // Check new values.
    groups = s.getSourceGroups(Sources.TYPE_GENERIC);
    assertEquals("should have maindir plus src4dir plus src3dir", 3, groups.length);
    assertEquals("group #1 is src4dir", src4dir, groups[0].getRootFolder());
    assertEquals("group #2 is src3dir", src3dir, groups[1].getRootFolder());
    assertEquals("group #3 is maindir", maindir, groups[2].getRootFolder());
    // Check 'java' type groups also.
    groups = s.getSourceGroups("java");
    assertEquals("should have src1dir plus src3dir", 2, groups.length);
    assertEquals("group #1 is src1dir", src1dir, groups[0].getRootFolder());
    assertEquals("group #2 is src3dir", src3dir, groups[1].getRootFolder());
    l.assertNoEvents();
    p = h.getProperties(AntProjectHelper.PROJECT_PROPERTIES_PATH);
    p.setProperty("src1.dir", "does-not-exist");
    h.putProperties(AntProjectHelper.PROJECT_PROPERTIES_PATH, p);
    ProjectManager.getDefault().saveProject(project);
    l.msg("got change in java sources").assertEvent();
    groups = s.getSourceGroups("java");
    assertEquals("should have just src3dir", 1, groups.length);
    assertEquals("group #2 is src3dir", src3dir, groups[0].getRootFolder());
    l.assertNoEvents();
    // #47451: should not fire changes for unrelated properties.
    p = h.getProperties(AntProjectHelper.PROJECT_PROPERTIES_PATH);
    p.setProperty("irrelevant", "value");
    h.putProperties(AntProjectHelper.PROJECT_PROPERTIES_PATH, p);
    ProjectManager.getDefault().saveProject(project);
    l.msg("no changes fired from an unrelated property").assertNoEvents();
}
 

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
public void testSourcesMerger() {
    SourcesImpl impl0 = createImpl("group0");
    SourcesImpl impl1 = createImpl("group1");
    SourcesImpl impl2 = createImpl("group2");
    SourcesImpl impl3 = createImpl("group3");
    
    Lookup base = Lookups.fixed(impl0, LookupProviderSupport.createSourcesMerger());
    LookupProviderImpl2 pro1 = new LookupProviderImpl2();
    LookupProviderImpl2 pro2 = new LookupProviderImpl2();
    LookupProviderImpl2 pro3 = new LookupProviderImpl2();
    
    InstanceContent provInst = new InstanceContent();
    Lookup providers = new AbstractLookup(provInst);
    provInst.add(pro1);
    provInst.add(pro2);
    
    pro1.ic.add(impl1);
    pro2.ic.add(impl2);
    pro3.ic.add(impl3);
    
    DelegatingLookupImpl del = new DelegatingLookupImpl(base, providers, "<irrelevant>");
    
    Sources srcs = del.lookup(Sources.class); 
    assertNotNull(srcs);
    SourceGroup[] grps = srcs.getSourceGroups("java");
    assertEquals(3, grps.length);
    
    //now let's add another module to the bunch and see if the new SG appears
    provInst.add(pro3);
    
    srcs = del.lookup(Sources.class); 
    assertNotNull(srcs);
    grps = srcs.getSourceGroups("java");
    assertEquals(4, grps.length);
    
    //now let's remove another module to the bunch and see if the SG disappears
    provInst.remove(pro2);
    
    srcs = del.lookup(Sources.class); 
    assertNotNull(srcs);
    grps = srcs.getSourceGroups("java");
    assertEquals(3, grps.length);
    
    //lets remove one and listen for changes...
    srcs = del.lookup(Sources.class); 
    MockChangeListener ch = new MockChangeListener();
    srcs.addChangeListener(ch);
    provInst.remove(pro1);
    
    ch.assertEvent();
    grps = srcs.getSourceGroups("java");
    assertEquals(2, grps.length);
    
    provInst.add(pro2);
    
    ch.assertEvent();
    grps = srcs.getSourceGroups("java");
    assertEquals(3, grps.length);
    
}
 

import org.netbeans.api.project.Sources; //导入方法依赖的package包/类
@RandomlyFails // on various builders, and w/o dump despite timeOut
public void testFiring() throws Exception {
    final Sources s = project.getLookup().lookup(Sources.class);
    final SourceRoots roots = ((J2SEProject)project).getSourceRoots();
    SourceGroup[] groups = s.getSourceGroups(JavaProjectConstants.SOURCES_TYPE_JAVA);
    assertEquals(2, groups.length);
    class EventCounter implements ChangeListener {            
        final AtomicInteger count = new AtomicInteger();
        public @Override void stateChanged(ChangeEvent e) {
            count.incrementAndGet();
        }            
    }
    final EventCounter counter = new EventCounter();
    s.addChangeListener(counter);
    final URL[] oldRootUrls = roots.getRootURLs();
    final String[] oldRootLabels = roots.getRootNames();
    final String[] oldRootProps = roots.getRootProperties();
    final FileObject newRoot = projdir.createFolder("new_src"); //NOI18N
    //test: adding of src root should fire once
    URL[] newRootUrls = new URL[oldRootUrls.length+1];
    System.arraycopy(oldRootUrls, 0, newRootUrls, 0, oldRootUrls.length);
    newRootUrls[newRootUrls.length-1] = newRoot.toURL();
    String[] newRootLabels = new String[oldRootLabels.length+1];
    for (int i=0; i< oldRootLabels.length; i++) {
        newRootLabels[i] = roots.getRootDisplayName(oldRootLabels[i], oldRootProps[i]);
    }
    newRootLabels[newRootLabels.length-1] = newRoot.getName();
    roots.putRoots(newRootUrls, newRootLabels);
    assertEquals(1, counter.count.get());
    groups = s.getSourceGroups(JavaProjectConstants.SOURCES_TYPE_JAVA);
    assertEquals(3, groups.length);
    //test: removing of src root should fire once
    counter.count.set(0);
    newRootUrls = new URL[oldRootUrls.length];
    System.arraycopy(oldRootUrls, 0, newRootUrls, 0, oldRootUrls.length);
    newRootLabels = new String[oldRootLabels.length];
    for (int i=0; i< oldRootLabels.length; i++) {
        newRootLabels[i] = roots.getRootDisplayName(oldRootLabels[i], oldRootProps[i]);
    }
    roots.putRoots(newRootUrls, newRootLabels);
    assertEquals(1, counter.count.get());
    groups = s.getSourceGroups(JavaProjectConstants.SOURCES_TYPE_JAVA);
    assertEquals(2, groups.length);
}