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Diffstat (limited to 'core/org.eclipse.cdt.core/utils/org/eclipse/cdt/utils/envvar/StorableEnvironmentLoader.java')
-rw-r--r--core/org.eclipse.cdt.core/utils/org/eclipse/cdt/utils/envvar/StorableEnvironmentLoader.java155
1 files changed, 67 insertions, 88 deletions
diff --git a/core/org.eclipse.cdt.core/utils/org/eclipse/cdt/utils/envvar/StorableEnvironmentLoader.java b/core/org.eclipse.cdt.core/utils/org/eclipse/cdt/utils/envvar/StorableEnvironmentLoader.java
index ff5b747244c..0895ec976b2 100644
--- a/core/org.eclipse.cdt.core/utils/org/eclipse/cdt/utils/envvar/StorableEnvironmentLoader.java
+++ b/core/org.eclipse.cdt.core/utils/org/eclipse/cdt/utils/envvar/StorableEnvironmentLoader.java
@@ -47,18 +47,18 @@ import org.xml.sax.SAXException;
/**
* This class implements the common functionality that allows
* storing and loading environment variable settings from eclipse properties
- *
+ *
* @since 3.0
*/
public abstract class StorableEnvironmentLoader {
/**
* this interface represents the preference node and the preference name
- * that are used for holding the environment data
+ * that are used for holding the environment data
* @noextend This interface is not intended to be extended by clients.
* @noimplement This interface is not intended to be implemented by clients.
*/
- public interface ISerializeInfo{
+ public interface ISerializeInfo {
/**
* {@link IEclipsePreferences} root node in the Preference store
@@ -68,7 +68,7 @@ public abstract class StorableEnvironmentLoader {
/**
* Name in the preference store
- * @return the key in the preference node to use for loading preferences
+ * @return the key in the preference node to use for loading preferences
*/
String getPrefName();
}
@@ -82,8 +82,9 @@ public abstract class StorableEnvironmentLoader {
* @return a StorableEnvironment clone of the configuration's environment
* @since 5.2
*/
- public StorableEnvironment cloneEnvironmentWithContext(Object context, StorableEnvironment base, boolean isReadOnly) {
- PrefsStorableEnvironment env = new PrefsStorableEnvironment(base, getSerializeInfo(context), isReadOnly);
+ public StorableEnvironment cloneEnvironmentWithContext(Object context, StorableEnvironment base,
+ boolean isReadOnly) {
+ PrefsStorableEnvironment env = new PrefsStorableEnvironment(base, getSerializeInfo(context), isReadOnly);
return env;
}
@@ -96,47 +97,48 @@ public abstract class StorableEnvironmentLoader {
/**
* Loads the environment from the context's {@link ISerializeInfo}.
- *
+ *
* NB the environment in the {@link ISerializeInfo} need not be available
- * yet. The {@link ISerializeInfo} may be held by the {@link StorableEnvironment}
+ * yet. The {@link ISerializeInfo} may be held by the {@link StorableEnvironment}
* to pick up any external changes in the environment.
- *
+ *
* @param context
* @param readOnly
* @return StorableEnvironment
*/
protected StorableEnvironment loadEnvironment(Object context, boolean readOnly) {
ISerializeInfo serializeInfo = getSerializeInfo(context);
- if(serializeInfo == null)
+ if (serializeInfo == null)
return null;
return new PrefsStorableEnvironment(serializeInfo, readOnly);
}
-
+
/*
- * stores the given environment
+ * stores the given environment
*/
- protected void storeEnvironment(StorableEnvironment env, Object context, boolean force, boolean flush) throws CoreException{
- if(!env.isDirty() && !force)
+ protected void storeEnvironment(StorableEnvironment env, Object context, boolean force, boolean flush)
+ throws CoreException {
+ if (!env.isDirty() && !force)
return;
-
+
ISerializeInfo serializeInfo = getSerializeInfo(context);
- if(serializeInfo == null)
+ if (serializeInfo == null)
return;
if (env instanceof PrefsStorableEnvironment) {
- ((PrefsStorableEnvironment)env).serialize();
+ ((PrefsStorableEnvironment) env).serialize();
} else {
// Backwards compatibility
ByteArrayOutputStream stream = storeEnvironmentToStream(env);
- if(stream == null)
+ if (stream == null)
return;
- storeOutputStream(stream,serializeInfo.getNode(), serializeInfo.getPrefName(), flush);
-
+ storeOutputStream(stream, serializeInfo.getNode(), serializeInfo.getPrefName(), flush);
+
env.setDirty(false);
}
}
-
+
/**
* @param env String representing the encoded environment
* @return ICStorageElement tree from the passed in InputStream
@@ -145,71 +147,55 @@ public abstract class StorableEnvironmentLoader {
static ICStorageElement environmentStorageFromString(String env) {
if (env == null)
return null;
- try{
+ try {
DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
InputSource inputSource = new InputSource(new ByteArrayInputStream(env.getBytes()));
Document document = parser.parse(inputSource);
Element el = document.getDocumentElement();
XmlStorageElement rootElement = new XmlStorageElement(el);
- if(!StorableEnvironment.ENVIRONMENT_ELEMENT_NAME.equals(rootElement.getName()))
+ if (!StorableEnvironment.ENVIRONMENT_ELEMENT_NAME.equals(rootElement.getName()))
return null;
return rootElement;
- }
- catch(ParserConfigurationException e){
+ } catch (ParserConfigurationException e) {
CCorePlugin.log(e);
- } catch(SAXException e) {
- CCorePlugin.log(e);
- } catch(IOException e) {
+ } catch (SAXException e) {
+ CCorePlugin.log(e);
+ } catch (IOException e) {
CCorePlugin.log(e);
}
return null;
}
- private ByteArrayOutputStream storeEnvironmentToStream(StorableEnvironment env) throws CoreException{
- try{
- DocumentBuilderFactory factory= DocumentBuilderFactory.newInstance();
- DocumentBuilder builder= factory.newDocumentBuilder();
- Document document= builder.newDocument();
-
+ private ByteArrayOutputStream storeEnvironmentToStream(StorableEnvironment env) throws CoreException {
+ try {
+ DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+ DocumentBuilder builder = factory.newDocumentBuilder();
+ Document document = builder.newDocument();
+
Element el = document.createElement(StorableEnvironment.ENVIRONMENT_ELEMENT_NAME);
document.appendChild(el);
XmlStorageElement rootElement = new XmlStorageElement(el);
env.serialize(rootElement);
-
- Transformer transformer=TransformerFactory.newInstance().newTransformer();
+
+ Transformer transformer = TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty(OutputKeys.METHOD, "xml"); //$NON-NLS-1$
transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); //$NON-NLS-1$
transformer.setOutputProperty(OutputKeys.INDENT, "yes"); //$NON-NLS-1$
DOMSource source = new DOMSource(document);
-
+
ByteArrayOutputStream stream = new ByteArrayOutputStream();
StreamResult result = new StreamResult(stream);
-
+
transformer.transform(source, result);
return stream;
- }
- catch(ParserConfigurationException e){
- throw new CoreException(new Status(IStatus.ERROR,
- CCorePlugin.PLUGIN_ID,
- -1,
- e.getMessage(),
- e));
- }
- catch(TransformerConfigurationException e){
- throw new CoreException(new Status(IStatus.ERROR,
- CCorePlugin.PLUGIN_ID,
- -1,
- e.getMessage(),
- e));
- }
- catch(TransformerException e){
- throw new CoreException(new Status(IStatus.ERROR,
- CCorePlugin.PLUGIN_ID,
- -1,
- e.getMessage(),
- e));
+ } catch (ParserConfigurationException e) {
+ throw new CoreException(new Status(IStatus.ERROR, CCorePlugin.PLUGIN_ID, -1, e.getMessage(), e));
+ } catch (TransformerConfigurationException e) {
+ throw new CoreException(new Status(IStatus.ERROR, CCorePlugin.PLUGIN_ID, -1, e.getMessage(), e));
+ } catch (TransformerException e) {
+ throw new CoreException(new Status(IStatus.ERROR, CCorePlugin.PLUGIN_ID, -1, e.getMessage(), e));
}
}
@@ -229,48 +215,41 @@ public abstract class StorableEnvironmentLoader {
* @param key
* @return String value stored in the node or null if no such value exists.
*/
- static String loadPreferenceNode(Preferences node, String key){
- if(node == null || key == null)
+ static String loadPreferenceNode(Preferences node, String key) {
+ if (node == null || key == null)
return null;
-
+
String value = node.get(key, null);
- if(value == null || value.length() == 0)
+ if (value == null || value.length() == 0)
return null;
-
+
return value;
}
-
- private void storeOutputStream(ByteArrayOutputStream stream, Preferences node, String key, boolean flush) throws CoreException{
- if(stream == null || node == null || key == null)
- throw new CoreException(new Status(IStatus.ERROR,
- CCorePlugin.PLUGIN_ID,
- -1,
+
+ private void storeOutputStream(ByteArrayOutputStream stream, Preferences node, String key, boolean flush)
+ throws CoreException {
+ if (stream == null || node == null || key == null)
+ throw new CoreException(new Status(IStatus.ERROR, CCorePlugin.PLUGIN_ID, -1,
//TODO:ManagedMakeMessages.getResourceString(
"StorableEnvironmentLoader.storeOutputStream.wrong.arguments" //$NON-NLS-1$
//)
- ,
- null));
- byte[] bytes= stream.toByteArray();
-
+ , null));
+ byte[] bytes = stream.toByteArray();
+
String val = null;
try {
- val= new String(bytes, "UTF-8"); //$NON-NLS-1$
+ val = new String(bytes, "UTF-8"); //$NON-NLS-1$
} catch (UnsupportedEncodingException e) {
- val= new String(bytes);
+ val = new String(bytes);
}
-
- node.put(key,val);
-
- if(flush){
- try{
+
+ node.put(key, val);
+
+ if (flush) {
+ try {
node.flush();
- }
- catch(BackingStoreException e){
- throw new CoreException(new Status(IStatus.ERROR,
- CCorePlugin.PLUGIN_ID,
- -1,
- e.getMessage(),
- e));
+ } catch (BackingStoreException e) {
+ throw new CoreException(new Status(IStatus.ERROR, CCorePlugin.PLUGIN_ID, -1, e.getMessage(), e));
}
}
}

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