diff options
Diffstat (limited to 'org.eclipse.search/search/org/eclipse/search/internal/workingsets/WorkingSetReader.java')
| -rw-r--r-- | org.eclipse.search/search/org/eclipse/search/internal/workingsets/WorkingSetReader.java | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/org.eclipse.search/search/org/eclipse/search/internal/workingsets/WorkingSetReader.java b/org.eclipse.search/search/org/eclipse/search/internal/workingsets/WorkingSetReader.java deleted file mode 100644 index 278ac747df1..00000000000 --- a/org.eclipse.search/search/org/eclipse/search/internal/workingsets/WorkingSetReader.java +++ /dev/null @@ -1,190 +0,0 @@ -/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved.
- */
-package org.eclipse.search.internal.workingsets;
-
-import java.io.BufferedInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.HashSet;
-import java.util.Set;
-
-import javax.xml.parsers.DocumentBuilder;
-import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.parsers.ParserConfigurationException;
-
-import org.eclipse.core.resources.IFile;
-import org.eclipse.core.resources.IFolder;
-import org.eclipse.core.resources.IProject;
-import org.eclipse.core.runtime.IPath;
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.core.runtime.MultiStatus;
-import org.eclipse.core.runtime.Path;
-import org.eclipse.core.runtime.Status;
-
-import org.eclipse.jface.util.Assert;
-
-import org.w3c.dom.Element;
-import org.w3c.dom.Node;
-import org.w3c.dom.NodeList;
-import org.xml.sax.InputSource;
-import org.xml.sax.SAXException;
-
-import org.eclipse.search.ui.IWorkingSet;
-import org.eclipse.search.ui.SearchUI;
-
-import org.eclipse.search.internal.ui.SearchPlugin;
-
-/**
- * Reads data from an InputStream and returns the working sets
- */
-public class WorkingSetReader extends Object {
-
- protected InputStream fInputStream;
-
- private MultiStatus fWarnings;
-
- /**
- * Reads a working sets from the underlying stream.
- * It is the clients responsiblity to close the stream.
- **/
- public WorkingSetReader(InputStream inputStream) {
- Assert.isNotNull(inputStream);
- fInputStream= new BufferedInputStream(inputStream);
- fWarnings= new MultiStatus(SearchUI.PLUGIN_ID, 0, WorkingSetMessages.getString("WorkingSetReader.warnings"), null); //$NON-NLS-1$
- }
-
- /**
- * Hook for possible subclasses
- **/
- protected WorkingSetReader() {
- }
-
- /**
- * Closes this stream.
- * It is the clients responsiblity to close the stream.
- *
- * @exception IOException
- */
- public void close() throws IOException {
- if (fInputStream != null)
- fInputStream.close();
- }
-
- public IWorkingSet[] readXML() throws IOException, SAXException {
- DocumentBuilderFactory factory= DocumentBuilderFactory.newInstance();
- factory.setValidating(false);
- DocumentBuilder parser= null;
- try {
- parser= factory.newDocumentBuilder();
- } catch (ParserConfigurationException ex) {
- throw new IOException(ex.getMessage());
- } finally {
- // Note: Above code is ok since clients are responsible to close the stream
- }
- Element xml= parser.parse(new InputSource(fInputStream)).getDocumentElement();
- if (!xml.getNodeName().equals(WorkingSet.TAG_WORKINGSETS))
- throw new IOException(WorkingSetMessages.getString("WorkingSetReader.error.badFormat")); //$NON-NLS-1$
-
- NodeList topLevelElements= xml.getChildNodes();
- Set workingSets= new HashSet(5);
- for (int i= 0; i < topLevelElements.getLength(); i++) {
- Node node= topLevelElements.item(i);
- if (node.getNodeType() != Node.ELEMENT_NODE)
- continue;
- Element element= (Element)node;
- String workingSetName= element.getAttribute(WorkingSet.TAG_NAME);
- Set resources= new HashSet(5);
- if (element.getNodeName().equals(WorkingSet.TAG_WORKINGSET))
- readWorkingSetTag(resources, element.getChildNodes());
- workingSets.add(new WorkingSet(workingSetName, resources.toArray()));
- }
- return (IWorkingSet[]) workingSets.toArray(new IWorkingSet[workingSets.size()]);
- }
-
- private void readWorkingSetTag(Set resources, NodeList nodes) throws IOException {
- for (int j= 0; j < nodes.getLength(); j++) {
- Node node= nodes.item(j);
- if (node.getNodeType() != Node.ELEMENT_NODE)
- continue;
- Element element= (Element)node;
- if (element.getNodeName().equals(WorkingSet.TAG_CONTENTS))
- readContentsTag(resources, element.getChildNodes());
- }
- }
-
- private void readContentsTag(Set resources, NodeList contents) throws IOException {
- for (int k= 0; k < contents.getLength(); k++) {
- Node node= contents.item(k);
- if (node.getNodeType() != Node.ELEMENT_NODE)
- continue;
- Element element= (Element)node;
- if (element.getNodeName().equals(WorkingSet.TAG_FILE))
- addFile(resources, element);
- else if (element.getNodeName().equals(WorkingSet.TAG_FOLDER))
- addFolder(resources ,element);
- else if (element.getNodeName().equals(WorkingSet.TAG_PROJECT))
- addProject(resources ,element);
- }
- }
-
- private void addFile(Set selectedElements, Element element) throws IOException {
- IPath path= getPath(element);
- if (path != null) {
- IFile file= SearchPlugin.getWorkspace().getRoot().getFile(path);
- if (file != null)
- selectedElements.add(file);
- }
- }
-
- private void addFolder(Set selectedElements, Element element) throws IOException {
- IPath path= getPath(element);
- if (path != null) {
- IFolder folder= SearchPlugin.getWorkspace().getRoot().getFolder(path);
- if (folder != null)
- selectedElements.add(folder);
- }
- }
-
- private void addProject(Set selectedElements, Element element) throws IOException {
- String name= element.getAttribute(WorkingSet.TAG_NAME); //$NON-NLS-1$
- if (name.equals("")) //$NON-NLS-1$
- throw new IOException(WorkingSetMessages.getString("WorkingSetReader.error.tagNameNotFound")); //$NON-NLS-1$
- IProject project= SearchPlugin.getWorkspace().getRoot().getProject(name);
- if (project != null)
- selectedElements.add(project);
- }
-
- private IPath getPath(Element element) throws IOException {
- String pathString= element.getAttribute(WorkingSet.TAG_PATH);
- if (pathString.equals("")) //$NON-NLS-1$
- throw new IOException(WorkingSetMessages.getString("WorkingSetReader.error.tagPathNotFound")); //$NON-NLS-1$
- return new Path(element.getAttribute(WorkingSet.TAG_PATH));
- }
-
-
- /**
- * Returns the warnings of this operation. If there are no
- * warnings, a status object with IStatus.OK is returned.
- *
- * @return the status of this operation
- */
- public IStatus getWarnings() {
- if (fWarnings.getChildren().length == 0)
- return new Status(IStatus.OK, SearchUI.PLUGIN_ID, 0, "", null); //$NON-NLS-1$
- else
- return fWarnings;
- }
-
- /**
- * Adds a new warning to the list with the passed information.
- * Normally the export operation continues after a warning.
- *
- * @param message the message
- * @param exception the throwable that caused the warning, or <code>null</code>
- */
- protected void addWarning(String message, Throwable error) {
- fWarnings.add(new Status(IStatus.WARNING, SearchUI.PLUGIN_ID, 0, message, error));
- }
-}
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