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Java Preferences.removeNode方法代码示例

本文整理汇总了Java中java.util.prefs.Preferences.removeNode方法的典型用法代码示例。如果您正苦于以下问题：Java Preferences.removeNode方法的具体用法？Java Preferences.removeNode怎么用？Java Preferences.removeNode使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.util.prefs.Preferences的用法示例。


在下文中一共展示了Preferences.removeNode方法的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: testChildrenNames

import java.util.prefs.Preferences; //导入方法依赖的package包/类
public void testChildrenNames() throws Exception {
    Preferences pref = getPreferencesNode();
    assertNotNull(pref);
    assertEquals(0, pref.childrenNames().length);
    
    assertFalse(pref.nodeExists("sub1"));
    Preferences sub1 =pref.node("sub1");
    assertNotNull(sub1);
    assertTrue(pref.nodeExists("sub1"));
    assertEquals(1, pref.childrenNames().length);
    
    
    assertFalse(pref.nodeExists("sub2"));
    Preferences sub2 =pref.node("sub2");
    assertNotNull(sub2);
    assertTrue(pref.nodeExists("sub2"));
    assertEquals(2, pref.childrenNames().length);
    
    sub1.removeNode();
    assertEquals(1, pref.childrenNames().length);
    sub2.removeNode();
    assertEquals(0, pref.childrenNames().length);
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:24，代码来源:TestPreferences.java

示例2: migrate

import java.util.prefs.Preferences; //导入方法依赖的package包/类
private static void migrate() { 
    // migrate pre 7.2 settings 
    String prevPath = "org/netbeans/modules/localhistory"; // NOI18N
    try {
        if(!NbPreferences.root().nodeExists(prevPath)) {
            return;
        }
        Preferences prev = NbPreferences.root().node(prevPath);
        Preferences cur =  NbPreferences.forModule(HistorySettings.class);
        String[] keys = prev.keys();
        for (String key : keys) {
            String value = prev.get(key, null);
            if(value != null && cur.get(key, null) == null) {
                cur.put(key, value);
            }
        }
        prev.removeNode();
    } catch (BackingStoreException ex) {
        Exceptions.printStackTrace(ex);
    }
    
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:23，代码来源:HistorySettings.java

示例3: testRemoveNode

import java.util.prefs.Preferences; //导入方法依赖的package包/类
public void testRemoveNode() throws BackingStoreException {
    Preferences orig = Preferences.userRoot().node(getName());
    Preferences origChild = orig.node("child");

    Preferences test = ProxyPreferencesImpl.getProxyPreferences(this, orig);
    assertTrue("Test child shoculd exist", test.nodeExists("child"));
    Preferences testChild = test.node("child");

    testChild.removeNode();
    assertFalse("Removed test child should not exist", testChild.nodeExists(""));
    assertFalse("Removed test child should not exist in parent", test.nodeExists("child"));

    test.flush();
    assertFalse("Test.flush did not remove orig child", origChild.nodeExists(""));
    assertFalse("Test.flush did not remove orig child from parent", orig.nodeExists("child"));
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:17，代码来源:ProxyPreferencesImplTest.java

示例4: testRemoveNode

import java.util.prefs.Preferences; //导入方法依赖的package包/类
public void testRemoveNode() throws BackingStoreException {
    Preferences orig = Preferences.userRoot().node(getName());
    Preferences origChild = orig.node("child");

    Preferences test = ProxyPreferences.getProxyPreferences(this, orig);
    assertTrue("Test child shoculd exist", test.nodeExists("child"));
    Preferences testChild = test.node("child");

    testChild.removeNode();
    assertFalse("Removed test child should not exist", testChild.nodeExists(""));
    assertFalse("Removed test child should not exist in parent", test.nodeExists("child"));

    test.flush();
    assertFalse("Test.flush did not remove orig child", origChild.nodeExists(""));
    assertFalse("Test.flush did not remove orig child from parent", orig.nodeExists("child"));
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:17，代码来源:ProxyPreferencesTest.java

示例5: remove

import java.util.prefs.Preferences; //导入方法依赖的package包/类
@Override
public void remove ( final ConnectionDescriptor connectionInformation ) throws CoreException
{
    try
    {
        if ( removeConnection ( connectionInformation ) )
        {
            final String uri = URLEncoder.encode ( connectionInformation.getConnectionInformation ().toString (), "UTF-8" ); //$NON-NLS-1$
            if ( getNode ().nodeExists ( uri ) )
            {
                final Preferences node = getNode ().node ( uri );
                node.removeNode ();
                getNode ().flush ();
                fireDiscoveryUpdate ( null, new ConnectionDescriptor[] { connectionInformation } );
            }
        }
    }
    catch ( final Exception e )
    {
        throw new CoreException ( StatusHelper.convertStatus ( Activator.PLUGIN_ID, e ) );
    }
}
开发者ID:eclipse，项目名称:neoscada，代码行数:23，代码来源:AbstractPreferencesDiscoverer.java

示例6: remove

import java.util.prefs.Preferences; //导入方法依赖的package包/类
public void remove(Configuration config) {
    configs.remove(config);
    Preferences prefs = NbPreferences.forModule(this.getClass()).node(config.id());
    try {
        prefs.removeNode();
    } catch (BackingStoreException ex) {
        Exceptions.printStackTrace(ex);
    }
    changeSupport.fireChange();
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:11，代码来源:ConfigurationsManager.java

示例7: testNodeExists

import java.util.prefs.Preferences; //导入方法依赖的package包/类
public void testNodeExists() throws Exception {
    Preferences pref = getPreferencesNode();
    Preferences pref2 = pref.node("a/b/c");
    while(pref2 != Preferences.userRoot()) {
        assertTrue(pref2.nodeExists(""));
        Preferences parent = pref2.parent();
        pref2.removeNode();
        assertFalse(pref2.nodeExists(""));
        pref2 = parent;
    }
    
    assertNotNull(getPreferencesNode().node("a/b/c/d"));
    assertTrue(getPreferencesNode().node("a/b/c/d").nodeExists(""));
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:15，代码来源:TestPreferences.java

示例8: removeGroup

import java.util.prefs.Preferences; //导入方法依赖的package包/类
void removeGroup(DocumentGroupImpl group) {
    try {

        Preferences prefs = getPreferences();
        if( group.getName().equals(prefs.get(SEL_GROUP, "")) ) { //NOI18N
            prefs.put(SEL_GROUP, ""); //NOI18N
        }
        prefs = prefs.node(group.getName());
        prefs.removeNode();
        //delete all cached files

    } catch( Exception e ) {
        LOG.log(Level.INFO, "Failed to remove document group '" + group.toString() + "'", e); //NOI18N
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:16，代码来源:GroupsManager.java

示例9: tearDown

import java.util.prefs.Preferences; //导入方法依赖的package包/类
@Override
protected void tearDown() throws Exception {
    super.tearDown();

    Preferences prefs = NbPreferences.forModule(InstancePropertiesManager.class);
    prefs.removeNode();
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:8，代码来源:InstancePropertiesTest.java

示例10: removeFile

import java.util.prefs.Preferences; //导入方法依赖的package包/类
private void removeFile ( final File file ) throws Exception
{
    for ( final String childName : this.prefs.childrenNames () )
    {
        final Preferences child = this.prefs.node ( childName );
        final String fileName = new File ( child.get ( "file", null ) ).getAbsolutePath ();
        if ( file.getAbsolutePath ().equals ( fileName ) )
        {
            child.removeNode ();
        }
    }
    this.prefs.flush ();
}
开发者ID:eclipse，项目名称:neoscada，代码行数:14，代码来源:FactoryImpl.java

示例11: remove

import java.util.prefs.Preferences; //导入方法依赖的package包/类
private void remove(Preferences prefs) throws BackingStoreException {
    synchronized (this) {
        cache.remove(prefs);
        prefs.removeNode();
    }
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:7，代码来源:InstancePropertiesManager.java

示例12: expirationCheck

import java.util.prefs.Preferences; //导入方法依赖的package包/类
private static void expirationCheck () {
    Preferences p = getPreferences ();
    String exp = p.get (EXPIRATION_RECORD, null);
    Collection<String> forImport = new HashSet<String> (Arrays.asList (VERSIONS_FOR_IMPORT));
    String currentVersion = new File (System.getProperty ("netbeans.user")).getName ();
    forImport.add (currentVersion);
    if (exp != null && ! forImport.contains (exp)) {
        try {
            final int period = getPeriod();
            boolean shared = Utilities.isGlobalInstallation() == null ? false : Utilities.isGlobalInstallation();
            p.removeNode ();
            getPreferences ().put (IMPORTED, Boolean.toString (true));
            getPreferences ().putInt(PROP_PERIOD, period);
            if (shared) {
                // Check that we can use 'shared' flag imported from previous installation with a new one.
                // Obtained from SettingsTab.cbGlobalInstallActionPerformed
                Collection<File> dirs = Utilities.sharedDirs();
                if (!dirs.isEmpty()) {
                    for (File f : dirs) {
                        if (f.exists() && f.isDirectory() && !Utilities.canWriteInCluster(f)) {
                            shared = false;
                            break;
                        }
                    }
                    if (shared) {
                        Utilities.setGlobalInstallation(shared);
                    }
                }
            }
            err.log (Level.FINE, "Don't read preferences from userdir " + exp);
        } catch (BackingStoreException ex) {
            err.log (Level.INFO, ex.getLocalizedMessage (), ex);
        }
    } else if (exp == null) {
        err.log (Level.FINEST, "No preferences imported from previous versoin.");
    } else {
        err.log (Level.FINEST, "Read preferences from userdir " + exp);
    }
    err.log (Level.FINEST, "Store current version " + currentVersion + " for future import.");
    getPreferences ().put (EXPIRATION_RECORD, currentVersion);
}
开发者ID:apache，项目名称:incubator-netbeans，代码行数:42，代码来源:AutoupdateSettings.java


注：本文中的java.util.prefs.Preferences.removeNode方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。