diff options
Diffstat (limited to 'rse/plugins/org.eclipse.rse.services.local/src/org/eclipse/rse/internal/services/local/search/LocalSearchHandler.java')
| -rw-r--r-- | rse/plugins/org.eclipse.rse.services.local/src/org/eclipse/rse/internal/services/local/search/LocalSearchHandler.java | 514 |
1 files changed, 0 insertions, 514 deletions
diff --git a/rse/plugins/org.eclipse.rse.services.local/src/org/eclipse/rse/internal/services/local/search/LocalSearchHandler.java b/rse/plugins/org.eclipse.rse.services.local/src/org/eclipse/rse/internal/services/local/search/LocalSearchHandler.java deleted file mode 100644 index 6255af462..000000000 --- a/rse/plugins/org.eclipse.rse.services.local/src/org/eclipse/rse/internal/services/local/search/LocalSearchHandler.java +++ /dev/null @@ -1,514 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2002, 2008 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Initial Contributors: - * The following IBM employees contributed to the Remote System Explorer - * component that contains this file: David McKnight, Kushal Munir, - * Michael Berger, David Dykstal, Phil Coulthard, Don Yantzi, Eric Simpson, - * Emily Bruner, Mazen Faraj, Adrian Storisteanu, Li Ding, and Kent Hawley. - * - * Contributors: - * Michael Berger (IBM) - Bug 147791 - symbolic links can cause circular search. - * Xuan Chen (IBM) - [160775] [api] rename (at least within a zip) blocks UI threadj - * Xuan Chen (IBM) - [194865] [local][Archives] Searching contents of a file in an Archive doesn't work - * Xuan Chen (IBM) - [205448] [search]All the files are listed as in the Remote Search view even only found one match in a file - *******************************************************************************/ - -package org.eclipse.rse.internal.services.local.search; - -import java.io.BufferedReader; -import java.io.File; -import java.io.FileInputStream; -import java.io.IOException; -import java.io.InputStreamReader; -import java.util.HashSet; -import java.util.Iterator; - -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.rse.internal.services.local.files.LocalHostFile; -import org.eclipse.rse.internal.services.local.files.LocalVirtualHostFile; -import org.eclipse.rse.services.clientserver.StringCompare; -import org.eclipse.rse.services.clientserver.SystemFileClassifier; -import org.eclipse.rse.services.clientserver.SystemSearchString; -import org.eclipse.rse.services.clientserver.archiveutils.AbsoluteVirtualPath; -import org.eclipse.rse.services.clientserver.archiveutils.ArchiveHandlerManager; -import org.eclipse.rse.services.clientserver.archiveutils.VirtualChild; -import org.eclipse.rse.services.clientserver.messages.SystemMessageException; -import org.eclipse.rse.services.clientserver.search.SystemSearchFileNameMatcher; -import org.eclipse.rse.services.clientserver.search.SystemSearchLineMatch; -import org.eclipse.rse.services.clientserver.search.SystemSearchMatch; -import org.eclipse.rse.services.clientserver.search.SystemSearchStringMatchLocator; -import org.eclipse.rse.services.clientserver.search.SystemSearchStringMatcher; -import org.eclipse.rse.services.files.IFileService; -import org.eclipse.rse.services.files.IHostFile; -import org.eclipse.rse.services.search.IHostSearchConstants; -import org.eclipse.rse.services.search.IHostSearchResult; -import org.eclipse.rse.services.search.IHostSearchResultConfiguration; -import org.eclipse.rse.services.search.ISearchHandler; - -/** - * Class used to collect local search results. - */ -public class LocalSearchHandler implements ISearchHandler -{ - - protected HashSet _alreadySearched; - - protected IHostSearchResultConfiguration _searchConfig; - - protected File _theFile; - - protected int _depth = -1; - - protected IFileService _fs; - - protected boolean _isDone; - - protected boolean _isCancelled; - - protected LocalHostFile _theRmtFile; - - protected SystemSearchString _searchString; - - protected SystemSearchStringMatcher _stringMatcher; - - protected boolean _isFileSearch; - - protected SystemSearchFileNameMatcher _fileNameMatcher; - - protected String _classificationString; - - /** - * Constructor for local search handler. - * - * @param searchConfig a search configuration. - * @param fileService the file service to search. - */ - public LocalSearchHandler(IHostSearchResultConfiguration searchConfig, IFileService fileService) - { - - _searchConfig = searchConfig; - - _theRmtFile = (LocalHostFile) (searchConfig.getSearchTarget()); - - // if the remote file is not virtual, then simply get the file - if (!(_theRmtFile instanceof LocalVirtualHostFile)) - { - _theFile = _theRmtFile.getFile(); - } - // for virtual file, fake it with a non-existent file representing the - // actual path (note this file won't actually exist on the filesystem) - else - { - String absPath = _theRmtFile.getAbsolutePath(); - AbsoluteVirtualPath avp = new AbsoluteVirtualPath(absPath); - _theFile = new File(avp.toString()); - } - - _fs = fileService; - - _searchString = searchConfig.getSearchString(); - - - boolean includeSubfolders = _searchString.isIncludeSubfolders(); - - if (includeSubfolders) - { - _depth = -1; - } - else - { - _depth = 1; - } - - _isCancelled = false; - _isDone = false; - _alreadySearched = new HashSet(); - - _stringMatcher = new SystemSearchStringMatcher(_searchString.getTextString(), _searchString.isCaseSensitive(), - _searchString.isTextStringRegex()); - - // if the search string is empty or if it is an asterisk, then we are - // doing a file search - // i.e. we do not want to look inside files - _isFileSearch = _stringMatcher.isSearchStringEmpty() || _stringMatcher.isSearchStringAsterisk(); - - boolean fsCaseSensitive = _fs.isCaseSensitive(); - _fileNameMatcher = new SystemSearchFileNameMatcher(_searchString.getFileNamesString(), fsCaseSensitive, - _searchString.isFileNamesRegex()); - - // classification of files to restrict the search to - _classificationString = _searchString.getClassificationString(); - } - - public void search(IProgressMonitor monitor) - { - - // start search - // pass in the context of the target file - try { - internalSearch(_theFile, _depth, _theRmtFile); - _isDone = true; - if (!_isCancelled) { - _searchConfig.setStatus(IHostSearchConstants.FINISHED); - } else { - _searchConfig.setStatus(IHostSearchConstants.CANCELLED); - } - } catch (SystemMessageException e) { - _isDone = false; - _searchConfig.setStatus(IHostSearchConstants.CANCELLED); - } - } - - public boolean isDone() - { - return _isDone; - } - - public void cancel(IProgressMonitor monitor) - { - _isCancelled = true; - } - - private boolean hasSearchedDirectory(File file) - { - try - { - return _alreadySearched.contains(file.getCanonicalFile()); - } - catch (IOException e) - { - return _alreadySearched.contains(file); - } - } - - private boolean internalSearch(File theFile, int depth, IHostFile context) throws SystemMessageException - { - - boolean foundFile = false; - - // is it a directory? (note that for virtual the file won't exist, so it - // will - // return false, which is what we want!) - boolean isDirectory = theFile.isDirectory(); - - // is it an archive? - boolean isArchive = ArchiveHandlerManager.getInstance().isArchive(theFile) && _searchString.isIncludeArchives(); - - String absPath = theFile.getAbsolutePath(); - String compareStr = theFile.getName(); - - // is it a virtual file? - boolean isVirtual = ArchiveHandlerManager.isVirtual(absPath); - - // is it a virtual directory? - boolean isVirtualDirectory = false; - - VirtualChild vc = null; - - // if it is a virtual object, then get a reference to it - if (isVirtual) - { - vc = ArchiveHandlerManager.getInstance().getVirtualObject(absPath); - isVirtualDirectory = isVirtual && vc.isDirectory; - } - - // base case for the recursive method call - // if the file is not a directory, an archive or a virtual directory, - // and we get a match with the file name, then we can search for match - // within the file - if (!isDirectory && !isArchive && !isVirtualDirectory && doesFilePatternMatch(compareStr) - && doesClassificationMatch(absPath)) - { - - LocalHostFile file; - - // if the file is a virtual file, then get matches from the archive - // handler - if (isVirtual) - { - file = new LocalVirtualHostFile(vc); - - SystemSearchLineMatch[] matches = null; - - // if it is not a file search, then call the handler search - // method - if (!_isFileSearch && vc != null) - { - matches = vc.getHandler().search(vc.fullName, _stringMatcher, null); - IHostSearchResult[] results = convert(file, matches); - - /** TODO - how to store search results related to files - // if there is at least one match, then add the file to the - // search results - **/ - if (results != null && results.length > 0) - { - /* - file.setContents(IHostSearchResultsContentsType.getInstance(), _searchString.toString(), - results); - */ - _searchConfig.addResult(file); - _searchConfig.addResults(file, results); - } - - - //_searchConfig.addResult(file); - } - // otherwise add the file to the search results - else - { - _searchConfig.addResult(file); - } - } - // otherwise, search the file - else - { - - // note that the file can not be root - file = new LocalHostFile(theFile, false); - - /* TODO - if (!isArchive) - { - file.setIsContainer(false); - } - else - { - file.setIsContainer(true); - } - */ - - // if file search, add the file to the results - // otherwise, search within the file and if there is at least - // one text match, then add it - if (_isFileSearch || internalSearchWithinFile(file, theFile)) - { - _searchConfig.addResult(file); - } - } - - // indicate that we have found a file - foundFile = true; - - if (foundFile) - { - // TODO refresh(_isDone); - foundFile = false; - } - } - - // if the depth is not 0, then we need to recursively search - if (depth != 0) - { - - // if it is a directory, or an archive, or a virtual directory, then - // we need to get the - // children and search those - if (isDirectory || (_searchString.isIncludeArchives() && (isArchive || isVirtualDirectory))) - { - - if (!hasSearchedDirectory(theFile)) - { - - try - { - _alreadySearched.add(theFile.getCanonicalFile()); - } - catch (IOException e) - { - _alreadySearched.add(theFile); - } - - File[] children = null; - - // if the file is an archive or a virtual directory, then - // get the children from - // the archive handler - if (isArchive || isVirtualDirectory) - { - - AbsoluteVirtualPath avp = new AbsoluteVirtualPath(absPath); - File archive = new File(avp.getContainingArchiveString()); - String virtualPath = avp.getVirtualPart(); - - VirtualChild[] virtualchildren = null; - - virtualchildren = ArchiveHandlerManager.getInstance().getContents(archive, virtualPath); - - if (virtualchildren != null) - { - children = new File[virtualchildren.length]; - - for (int i = 0; i < virtualchildren.length; i++) - { - AbsoluteVirtualPath newAvp = new AbsoluteVirtualPath(absPath); - newAvp.setVirtualPart(virtualchildren[i].fullName); - children[i] = new File(newAvp.toString()); - } - - if (virtualchildren.length == 0) - { - children = null; - } - } - } - else - { - children = theFile.listFiles(); - } - - if (children != null) - { - - LocalHostFile fileImpl = null; - - // create local file for archive or directory which is - // not virtual - if (!isVirtualDirectory) - { - - // if the context's parent file (which is - // essentially the parent file of - // the given file) is null, then it means the given - // file is root - boolean isRoot = false; //TODO - - fileImpl = new LocalHostFile(theFile, isRoot); - } - // create local file differently for virtual directory - else - { - fileImpl = new LocalVirtualHostFile(vc); - } - - for (int i = 0; i < children.length && !_isCancelled; i++) - { - - File child = children[i]; - - if (internalSearch(child, depth - 1, fileImpl)) - { - foundFile = true; - } - } - } - } - } - } - - return foundFile; - } - - - private boolean internalSearchWithinFile(IHostFile remoteFile, File theFile) - { - - // if file search, no need to look for matches within file - if (_isFileSearch) - { - return true; - } - - FileInputStream inputStream = null; - - try - { - inputStream = new FileInputStream(theFile); - InputStreamReader reader = new InputStreamReader(inputStream); - BufferedReader bufReader = new BufferedReader(reader); - - SystemSearchStringMatchLocator locator = new SystemSearchStringMatchLocator(bufReader, _stringMatcher); - - SystemSearchLineMatch[] matches = locator.locateMatches(); - - if (matches == null || matches.length == 0) - { - return false; - } - - IHostSearchResult[] results = convert(remoteFile, matches); - if (results != null && results.length > 0) - { - _searchConfig.addResults(remoteFile, results); - // TODO - how to store results related to files - //remoteFile.setContents(IHostSearchResultsContentsType.getInstance(), _searchString.toString(), results); - return true; - } - return false; - } - catch (IOException e) - { - //SystemPlugin.logError("Error occured when trying to locate matches", e); - return false; - } - } - - protected boolean doesFilePatternMatch(String compareStr) - { - return _fileNameMatcher.matches(compareStr); - } - - /** - * Returns whether classification matches. - * - * @param absolutePath the absolute path of the file for which we want to - * check classification. - * @return <code>true</code> if the classification matches, - * <code>false</code> otherwise. - */ - protected boolean doesClassificationMatch(String absolutePath) - { - - if (_classificationString == null || _classificationString.equals("")) //$NON-NLS-1$ - { - return true; - } - else - { - String classification = SystemFileClassifier.getInstance().classifyFile(absolutePath); - return StringCompare.compare(_classificationString, classification, true); - } - } - - /** - * Converts from system line matches to remote search results that will show - * up in the remote search view. - * - * @param remoteFile - * the remote file for which line matches have been found. - * @param lineMatches - * an array of line matches, or empty if no matches. - * @return an array of remote search results, or empty if no matches. - */ - private IHostSearchResult[] convert(IHostFile remoteFile, SystemSearchLineMatch[] lineMatches) - { - - LocalSearchResult[] results = new LocalSearchResult[lineMatches.length]; - - for (int i = 0; i < lineMatches.length; i++) - { - results[i] = new LocalSearchResult(_searchConfig, remoteFile, _searchString); - results[i].setText(lineMatches[i].getLine()); - results[i].setLine(lineMatches[i].getLineNumber()); - results[i].setIndex(i); - - Iterator iter = lineMatches[i].getMatches(); - - // add matches within the line - while (iter.hasNext()) - { - SystemSearchMatch match = (SystemSearchMatch) iter.next(); - int startOffset = match.getStartOffset(); - int endOffset = match.getEndOffset(); - results[i].addMatch(startOffset, endOffset); - } - } - - return results; - } -} |