diff options
Diffstat (limited to 'plugins/org.eclipse.jst.j2ee.web/webproject/org/eclipse/jst/j2ee/internal/web/operations/RelationData.java')
| -rw-r--r-- | plugins/org.eclipse.jst.j2ee.web/webproject/org/eclipse/jst/j2ee/internal/web/operations/RelationData.java | 995 |
1 files changed, 0 insertions, 995 deletions
diff --git a/plugins/org.eclipse.jst.j2ee.web/webproject/org/eclipse/jst/j2ee/internal/web/operations/RelationData.java b/plugins/org.eclipse.jst.j2ee.web/webproject/org/eclipse/jst/j2ee/internal/web/operations/RelationData.java deleted file mode 100644 index b40f7bb14..000000000 --- a/plugins/org.eclipse.jst.j2ee.web/webproject/org/eclipse/jst/j2ee/internal/web/operations/RelationData.java +++ /dev/null @@ -1,995 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2003, 2006 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 - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.jst.j2ee.internal.web.operations; - - - -import java.io.BufferedReader; -import java.io.BufferedWriter; -import java.io.File; -import java.io.FileNotFoundException; -import java.io.FileReader; -import java.io.FileWriter; -import java.io.IOException; -import java.io.PrintWriter; -import java.util.ArrayList; -import java.util.Collection; -import java.util.Enumeration; -import java.util.Hashtable; -import java.util.List; -import com.ibm.icu.util.StringTokenizer; -import java.util.Vector; - -import org.eclipse.core.resources.IProject; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.Path; -import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin; -import org.eclipse.jst.j2ee.internal.project.ProjectSupportResourceHandler; -import org.eclipse.jst.j2ee.internal.web.plugin.WebPlugin; - - -/** - * This class stores the relationship between two files. In particular, this is an inLink and the - * files which reference it. - */ -public class RelationData { - public class Link implements Cloneable { - - private String url; - private int occurrences = 0; - - public Link(String newUrl, int occ) { - url = newUrl; - occurrences = occ; - } - - /** - * Returns an exact copy of this object. - * - * @return Created clone object - */ - @Override - public Object clone() { - return new Link(url, occurrences); - } - - /** - * Returns the url of the file that references this inLink - * - * @return String - */ - public String getURL() { - return url; - } - - /** - * Returns the number of times this file references the inLink - * - * @return int - */ - public int getOccurrences() { - return occurrences; - } - - private int addOccurrence(int add) { - occurrences = occurrences + add; - return occurrences; - } - - @Override - public String toString() { - return url; - } - } - - // our relationship table. Key is a string which is the path of the inLink, - // value is a vector of files that reference the inLink. - protected Hashtable inLinksTable = null; - protected Hashtable anchorsTable = null; - private static final int INIT_HASH_TABLE_SIZE = 100; - private static final int INIT_ANCHORS_HASH_TABLE_SIZE = 10; - private boolean fileOk = false; - private static final String LINK_STATE_FILE_NAME = "link_table_states.txt";//$NON-NLS-1$ - private static final String LINK_SERVERCONTEXTROOT_FILE_NAME = "link_scr_states.txt";//$NON-NLS-1$ - public static final String LINK_MISSING_FILE = "-";//$NON-NLS-1$ - public static final String LINK_INDEX_SEPARATOR = "+";//$NON-NLS-1$ - public static final String ANCHOR_INDEX_SEPARATOR = "#";//$NON-NLS-1$ - public static final String LINK_OCCURENCE_SEPARATOR = "/";//$NON-NLS-1$ - public static final String ANCHOR_SEPARATOR = "#### ANCHORS ####";//$NON-NLS-1$ - - /** - * RelationData constructor comment. - */ - public RelationData() { - super(); - inLinksTable = new Hashtable(INIT_HASH_TABLE_SIZE); - anchorsTable = new Hashtable(INIT_ANCHORS_HASH_TABLE_SIZE); - } - - public Link addInLink(String file_path, String parent_path, int occurence) { - Vector in_links = (Vector) inLinksTable.get(file_path); - if (in_links == null) { - return null; - } - for (int i = 0; i < in_links.size(); i++) { - Link inlnk = (Link) in_links.elementAt(i); - String url = inlnk.getURL(); - - // - // Increment the occurence and return - // - - if (url.compareTo(parent_path) == 0) { - inlnk.addOccurrence(occurence); - return inlnk; - } - } - - // - // The link does not exist, need to add an entry in the table for it - // - - Link inlnk = new Link(parent_path, occurence); - in_links.addElement(inlnk); - return inlnk; - } - - public void changeInLink(String filePath, boolean missing) { - - if (missing) { - Vector inlinks = (Vector) inLinksTable.remove(filePath); - inLinksTable.put(LINK_MISSING_FILE + filePath, inlinks); - } else { - Vector inlinks = (Vector) inLinksTable.remove(LINK_MISSING_FILE + filePath); - inLinksTable.put(filePath, inlinks); - } - } - - - /* - * returns which projects depend on this file i.e. any projects that are in this file's list of - * in_links - */ - public Collection getDependentProjects(String file_path) { - Hashtable outProjects = new Hashtable(); - Vector in_links = (Vector) inLinksTable.get(file_path); - - if (in_links != null) { - for (int i = 0; i < in_links.size(); i++) { - Link inlnk = (Link) in_links.elementAt(i); - String url = inlnk.getURL(); - // should be in the form of: /ProjName/.... - if (url.length() > 0) { - // key could be the filename or the missing filename ("-" + filename) - // take this into account and offset the index accordingly - int index = 0; - int offset = 1; - if (url.charAt(0) == '-') { - index = url.indexOf(IPath.SEPARATOR, 2); - offset = 2; - } else { - index = url.indexOf(IPath.SEPARATOR, 1); - offset = 1; - } - if (index != -1) { - String projName = url.substring(offset, index); - outProjects.put(projName, projName); - } - } - } - } - return outProjects.values(); - } - - /* - * returns which cross-project files depend on this file i.e. any projects that are in this - * file's list of in_links - */ - public Collection getDependentProjectFiles(String projName) { - Hashtable outProjects = new Hashtable(); - - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - String path = (String) aenum.nextElement(); - // should be in the form of: /ProjName/.... - if (path.length() > 0) { - // if path is a missing filename ("-" + filename) then it means that it had - // to come from this project (that is, the external nonexistent file could not have - // linked to this project). So, we will not add this path. Also, since it is marked - // broken, it probably won't exist to do anything with it anyway. - if (path.charAt(0) != '-') { - int index = path.indexOf(IPath.SEPARATOR, 1); - if (index != -1) { - String currentProjName = path.substring(1, index); - if (!currentProjName.equals(projName)) { - outProjects.put(path, path); - } - } - } - } - } - return outProjects.values(); - } - - - - public void createInLinkEntry(String file_path, String parent_path, int occurence) { - - Vector in_links = new Vector(); - Link inlnk = new Link(parent_path, occurence); - in_links.addElement(inlnk); - inLinksTable.put(file_path, in_links); - } - - - - public void dump() { -// if (false) { -// if (inLinksTable != null) { -// for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { -// StringBuffer St = new StringBuffer(); -// String key = (String) aenum.nextElement(); -// St.append("\nKey=" + key + "\n");//$NON-NLS-1$//$NON-NLS-2$ -// Vector in_links = (Vector) inLinksTable.get(key); -// int nb_of_links = in_links.size(); -// -// // Replace the string by index -// // Add a '+'separator only for more than one links to save space -// // -// -// -// for (int i = 0; i < nb_of_links; i++) { -// Link lnk = (Link) in_links.elementAt(i); -// St.append("\tValue=" + lnk.getURL() + "[" + lnk.getOccurrences() + "]");//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ -// } -// org.eclipse.jem.util.logger.proxy.Logger.getLogger().logInfo(St.toString()); -// } -// } -// } - } - - public void dump(boolean dump) { - if (dump) { - if (inLinksTable != null) { - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - StringBuffer St = new StringBuffer(); - String key = (String) aenum.nextElement(); - St.append("\nKey=" + key + "\n");//$NON-NLS-1$//$NON-NLS-2$ - Vector in_links = (Vector) inLinksTable.get(key); - int nb_of_links = in_links.size(); - - // Replace the string by index - // Add a '+'separator only for more than one links to save space - // - - - for (int i = 0; i < nb_of_links; i++) { - Link lnk = (Link) in_links.elementAt(i); - St.append("\tValue=" + lnk.getURL() + "[" + lnk.getOccurrences() + "]");//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ - } - WebPlugin.logError(St.toString()); - } - } - } - } - - /** - * used for LinksBuilder debugging - */ - public void dump2() { - if (inLinksTable != null) { - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - StringBuffer St = new StringBuffer(); - String key = (String) aenum.nextElement(); - - Vector in_links = (Vector) inLinksTable.get(key); - int nb_of_links = in_links.size(); - St.append("\nKey=" + key + " -- num:" + nb_of_links + "\n");//$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$ - // Replace the string by index - // Add a '+'separator only for more than one links to save space - // - - - for (int i = 0; i < nb_of_links; i++) { - Link lnk = (Link) in_links.elementAt(i); - St.append("\tValue=" + lnk.getURL() + "[" + lnk.getOccurrences() + "]");//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$ - } - System.out.println(St.toString()); - } - } - System.out.println("************************************************\n\n\n\n************************************\n"); //$NON-NLS-1$ - } - - - public Vector getInLinks(String filePath) { - return (Vector) inLinksTable.get(filePath); - } - - public void getInLinks(String filePath, Vector vectInLinks) { - - if (inLinksTable != null) { - dump(); - Vector in_links = (Vector) inLinksTable.get(filePath); - if (in_links != null) { - for (int i = 0; i < in_links.size(); i++) { - Link inlnk = (Link) ((Link) in_links.elementAt(i)).clone(); - vectInLinks.addElement(inlnk); - } - } - } - } - - public Hashtable getAnchorsTable() { - return anchorsTable; - } - - /** - * Returns the file used to store ServerContextRoot for the project. - */ - public static File getPreviousSCRFile(IProject project) { - return new Path(J2EEPlugin.getDefault().getStateLocation().toString() + File.separator + project.getName() + File.separator + LINK_SERVERCONTEXTROOT_FILE_NAME).toFile(); - } - - /** - * Returns the file used to store the state of the link relations for the project. - * - * @return java.io.File The state file - * @param project - * org.eclipse.core.resources.IProject The project to get the state file for. - */ - private File getStateFile(IProject project) { - return new Path(J2EEPlugin.getDefault().getStateLocation().toString() + File.separator + project.getName() + File.separator + LINK_STATE_FILE_NAME).toFile(); - } - - public boolean hasInLinkEntry(String path) { - return inLinksTable.containsKey(path); - } - - /** - * Run through all missing-file (-) RD entries to see if any of them closely match the path to - * this class. Return all of the matches. - */ - public Vector getPossibleMissingEndingMatches(IPath classPath) { - Vector v = new Vector(); - - String match = classPath.lastSegment(); - match = match.substring(0, match.length() - 6); // length minus ".class" - - String classPathStr = classPath.toString(); - String matchingClassPath = classPathStr.toString().substring(0, classPathStr.length() - 6); - - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - String path = (String) aenum.nextElement(); - // check if path ends with the class name that has been added/removed - if (path.startsWith(LINK_MISSING_FILE) && path.endsWith(match)) { - // OK: simple match found; now let's match with finer granularity. - // Take path and put it into a form where we can check if it is a - // close match to the class that has changed: - // /Proj/Web Content/com.acme.Foo --> com/acme/Foo - String linkPath; - int index = path.lastIndexOf(IPath.SEPARATOR); - if (index != -1 && index < path.length() - 1) { - linkPath = path.substring(index + 1); - } else { - linkPath = path; - } - String closeMatch = linkPath.replace('.', IPath.SEPARATOR); - - if (matchingClassPath.endsWith(closeMatch)) { - Vector in_links = (Vector) inLinksTable.get(path); - String nonMissingPath = path.substring(1, path.length()); - changeInLink(nonMissingPath, false); - if (in_links != null) { - for (int i = 0; i < in_links.size(); i++) { - Link inlnk = (Link) in_links.elementAt(i); - String url = inlnk.getURL(); - v.add(url); - } - } - } - } - } - return v; - } - - - /** - * Run through all existing RD entries to see if any of them closely match the path to this - * class. Return all of the matches. - */ - public Vector getPossibleExistingEndingMatches(IPath classPath) { - Vector v = new Vector(); - - String match = classPath.lastSegment(); - match = match.substring(0, match.length() - 6); // length minus ".class" - - String classPathStr = classPath.toString(); - String matchingClassPath = classPathStr.toString().substring(0, classPathStr.length() - 6); - - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - String path = (String) aenum.nextElement(); - // check if path ends with the class name that has been added/removed - if (path.endsWith(match) && !path.startsWith(LINK_MISSING_FILE)) { - // OK: simple match found; now let's match with finer granularity. - // Take path and put it into a form where we can check if it is a - // close match to the class that has changed: - // /Proj/Web Content/com.acme.Foo --> com/acme/Foo - String linkPath; - int index = path.lastIndexOf(IPath.SEPARATOR); - if (index != -1 && index < path.length() - 1) { - linkPath = path.substring(index + 1); - } else { - linkPath = path; - } - String closeMatch = linkPath.replace('.', IPath.SEPARATOR); - - if (matchingClassPath.endsWith(closeMatch)) { - Vector in_links = (Vector) inLinksTable.get(path); - changeInLink(path, true); - if (in_links != null) { - for (int i = 0; i < in_links.size(); i++) { - Link inlnk = (Link) in_links.elementAt(i); - String url = inlnk.getURL(); - v.add(url); - } - } - } - } - } - return v; - } - - /** - * Run through all existing RD entries to see if any of them closely match the path to this - * class. Remove the inlinks for all the matches. - */ - public void removeInLinksPossibleExistingEndingMatches(IPath classPath) { - String match = classPath.lastSegment(); - match = match.substring(0, match.length() - 6); // length minus ".class" - - String classPathStr = classPath.toString(); - String matchingClassPath = classPathStr.toString().substring(0, classPathStr.length() - 6); - - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - String path = (String) aenum.nextElement(); - if (path.endsWith(match) && !path.startsWith(LINK_MISSING_FILE)) { - // OK: simple match found; now let's match with finer granularity. - // Take path and put it into a form where we can check if it is a - // close match to the class that has changed: - // /Proj/Web Content/com.acme.Foo --> com/acme/Foo - String linkPath; - int index = path.lastIndexOf(IPath.SEPARATOR); - if (index != -1 && index < path.length() - 1) { - linkPath = path.substring(index + 1); - } else { - linkPath = path; - } - String closeMatch = linkPath.replace('.', IPath.SEPARATOR); - - if (matchingClassPath.endsWith(closeMatch)) { - removeInLinks(path); - } - } - } - } - - /** - * Initialize links tables - */ - public void initialize() { - inLinksTable = new Hashtable(INIT_HASH_TABLE_SIZE); - anchorsTable = new Hashtable(INIT_ANCHORS_HASH_TABLE_SIZE); - - } - - /** - * Initialize links tables - */ - public void initializeAnchors() { - anchorsTable = new Hashtable(INIT_ANCHORS_HASH_TABLE_SIZE); - } - - /** - * Initialize links tables - */ - public void initializeInLinks() { - inLinksTable = new Hashtable(INIT_HASH_TABLE_SIZE); - } - - /** - * Return true if the file to restore data from existed and was successfully read. - * - * @return boolean - */ - public boolean isFileOk() { - return fileOk; - } - - public boolean isInitialized() { - return (inLinksTable != null); - } - - public void newInLinkEntry(String path) { - if (!inLinksTable.containsKey(path)) - inLinksTable.put(path, new Vector()); - } - - public void removeInLinks(String file_path) { - - // - // Iterate through the fLinksTable to remove all in-links references - // for file_path - // - - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - String key = (String) aenum.nextElement(); - Vector in_links = (Vector) inLinksTable.get(key); - - for (int i = 0; i < in_links.size(); i++) { - - Link inlnk = (Link) in_links.elementAt(i); - String url = inlnk.getURL(); - - if (url.compareTo(file_path) == 0) { - in_links.removeElementAt(i); - break; - } - - // - // Remove the entry in the fLinksTable if the in-link - // of the file is not in the workbench and an orphan link - // otherwise update the in-links fLinksTable - // - } - - if (in_links.isEmpty() && key.startsWith(LINK_MISSING_FILE)) { - inLinksTable.remove(key); - } - } - } - - /** - * Iterate through the fLinksTable to return all out-links references for file_path - * - * @param file_path - * @return - */ - public List getOutLinks(String file_path) { - ArrayList list = new ArrayList(); - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - String key = (String) aenum.nextElement(); - Vector in_links = (Vector) inLinksTable.get(key); - - for (int i = 0; i < in_links.size(); i++) { - - Link inlnk = (Link) in_links.elementAt(i); - String url = inlnk.getURL(); - - if (url.compareTo(file_path) == 0) { - list.add(key); - break; - } - } - } - - return list; - } - - - /** - * return whether other resources link to this file or not - */ - public boolean referencedByOtherLinks(String file_path) { - - // - // Iterate through the fLinksTable to remove all in-links references - // for file_path - // - boolean referenced = false; - for (Enumeration aenum = inLinksTable.keys(); !referenced && aenum.hasMoreElements();) { - String key = (String) aenum.nextElement(); - Vector in_links = (Vector) inLinksTable.get(key); - - for (int i = 0; i < in_links.size(); i++) { - Link inlnk = (Link) in_links.elementAt(i); - String url = inlnk.getURL(); - - if (url.compareTo(file_path) == 0) { - referenced = true; - break; - } - } - } - return referenced; - } - - - /* - * performs as removeInLinks( String ) ... But for performance reasons, this also additionally - * returns a list of all the projects that this file is dependent upon. This is useful to get - * this information, and then go to all of those projects' relation data and tell them to - * removeInLinks for this file. - */ - public Collection removeInLinksForProjects(String file_path) { - - // - // Iterate through the fLinksTable to remove all in-links references - // for file_path - // - Hashtable projects = new Hashtable(); - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - String key = (String) aenum.nextElement(); - Vector in_links = (Vector) inLinksTable.get(key); - - for (int i = 0; i < in_links.size(); i++) { - - Link inlnk = (Link) in_links.elementAt(i); - String url = inlnk.getURL(); - - if (url.compareTo(file_path) == 0) { - // should be in the form of: /ProjName/.... - if (key.length() > 0) { - // key could be the filename or the missing filename ("-" + filename) - // take this into account and offset the index accordingly - int index = 0; - int offset = 1; - if (key.charAt(0) == '-') { - index = key.indexOf(IPath.SEPARATOR, 2); - offset = 2; - } else { - index = key.indexOf(IPath.SEPARATOR, 1); - offset = 1; - } - if (index != -1) { - String projName = key.substring(offset, index); - projects.put(projName, projName); - } - } - in_links.removeElementAt(i); - break; - } - - // - // Remove the entry in the fLinksTable if the in-link - // of the file is not in the workbench and an orphan link - // otherwise update the in-links fLinksTable - // - } - - if (in_links.isEmpty() && key.startsWith(LINK_MISSING_FILE)) - inLinksTable.remove(key); - } - - return projects.values(); - } - - - - /** - * performs as removeInLinks( String ) ... But for performance reasons, it additionally returns - * which projects depend on this file. i.e. any projects that are in this file's list of - * in_links - */ - public Collection removeInLinksAndGetDependentProjects(String file_path) { - // - // Iterate through the fLinksTable to remove all in-links references - // for file_path - // - Hashtable projects = new Hashtable(); - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - String key = (String) aenum.nextElement(); - Vector in_links = (Vector) inLinksTable.get(key); - - if (key.equals(RelationData.LINK_MISSING_FILE + file_path)) { - int index = -1; - for (int i = 0; i < in_links.size(); i++) { - Link inlnk = (Link) in_links.elementAt(i); - String url = inlnk.getURL(); - - if (url.compareTo(file_path) == 0) { - index = i; - } - if (url.length() > 1) { - int projindex = url.indexOf(IPath.SEPARATOR, 1); - if (projindex != -1) { - String projName = url.substring(1, projindex); - projects.put(projName, projName); - } - } - } - if (index != -1) { - in_links.removeElementAt(index); - } - - } else { - for (int i = 0; i < in_links.size(); i++) { - - Link inlnk = (Link) in_links.elementAt(i); - String url = inlnk.getURL(); - - if (url.compareTo(file_path) == 0) { - - in_links.removeElementAt(i); - break; - } - - // - // Remove the entry in the fLinksTable if the in-link - // of the file is not in the workbench and an orphan link - // otherwise update the in-links fLinksTable - // - } - } - - if (in_links.isEmpty() && key.startsWith(LINK_MISSING_FILE)) { - inLinksTable.remove(key); - } - } - return projects.values(); - } - - - /** - * remove all references to a specific inLink. When removeOrphan is true the inLink entry is - * removed as well, when there are no more refereces to it - */ - public void removeInLinks(String inLinkEntry, String inLinkReference, boolean removeOrphan) { - - String key = inLinkEntry; - Vector in_links = (Vector) inLinksTable.get(key); - - for (int i = 0; i < in_links.size(); i++) { - - Link inlnk = (Link) in_links.elementAt(i); - String url = inlnk.getURL(); - - if (url.compareTo(inLinkReference) == 0) { - in_links.removeElementAt(i); - break; - } - } - - // If there are no more references to the inLinkEntry - // and the caller wants this orphan deleted then - // remove the key from the table - if (in_links.isEmpty() && removeOrphan) - inLinksTable.remove(key); - - } - - /** - * Restores this builder's saved state and returns whether it was successful in doing so. - */ - public boolean restore(IProject project) { - if (project != null) { - // get the state - File stateFile = getStateFile(project); - if (stateFile.exists()) { - inLinksTable = new Hashtable(INIT_HASH_TABLE_SIZE); - - // read inLinksTable from stateFile - Vector keys = new Vector(); - Vector indices = new Vector(); - BufferedReader reader = null; - try { - reader = new BufferedReader(new FileReader(stateFile)); - - String line = null; - // while( ((line = reader.readLine()) != null) && !line.startsWith( - // ANCHOR_SEPARATOR ) ) - while ((line = reader.readLine()) != null) { - String buffer = line; - - - // to take into account the possibility of links spanning multiple lines, - // keep reading until we find a line that starts with an idicator - // that the link is finished (a line beginning w/ LINK_INDEX_SEPARATOR) - line = reader.readLine(); - while (line != null && !line.startsWith(LINK_INDEX_SEPARATOR)) { - buffer = buffer + line; - line = reader.readLine(); - } - // add link string (/MyProj/file.html) - keys.addElement(buffer); - // add references line (+2/3...) - if (line != null) { - indices.addElement(line); - } else { - System.out.println(ProjectSupportResourceHandler.Syntax_Error_in_the_links_UI_); // = "Syntax Error in the links state file" - return false; - } - } - - // Use this to load anchor information - // // Now let's add all of the extra anchor information - // if ( line != null && line.startsWith( ANCHOR_SEPARATOR ) ) { - // while( (line = reader.readLine()) != null ) - // { - // String buffer = line; - // - // // to take into account the possibility of links spanning multiple lines, - // // keep reading until we find a line that starts with an idicator - // // that the link is finished (a line beginning w/ LINK_INDEX_SEPARATOR) - // line = reader.readLine(); - // while ( line != null && !line.startsWith( ANCHOR_INDEX_SEPARATOR ) ) { - // buffer = buffer + line; - // line = reader.readLine(); - // } - // - // // add file and all of its anchors - // if ( buffer != null && line != null) - // { - // anchorsTable.put( buffer, line ); - // } - // else - // { - // System.out.println(ResourceHandler.getString("Syntax_Error_in_the_links_UI_")); - // //$NON-NLS-1$ = "Syntax Error in the links state file" - // return false; - // } - // } - // - // } - } catch (FileNotFoundException fe) { - WebPlugin.logError(fe); - } catch (IOException ie) { - WebPlugin.logError(ie); - } finally { - if (reader != null) { - try { - reader.close(); - } catch (IOException ie2) { - WebPlugin.logError(ie2); - } - } - } - - - // - // Populate the hash inLinksTable with keys (file paths) and values (in links files - // paths) - // - fileOk = true; - for (int i = 0; i < keys.size(); i++) { - try { - String key = (String) keys.elementAt(i); - String compacted_indices = (String) indices.elementAt(i); - - // - // Parse the in-links indexes - // - - int size = keys.size(); - Vector in_links = new Vector(); - if (compacted_indices != LINK_INDEX_SEPARATOR) { - - // Extract indexes and occurences - - StringTokenizer st_idx_occ = new StringTokenizer(new String(compacted_indices), LINK_INDEX_SEPARATOR); - while (st_idx_occ.hasMoreTokens()) { - String idx_occ = new String(st_idx_occ.nextToken()); - int pos_occ = idx_occ.indexOf(LINK_OCCURENCE_SEPARATOR); - int index; - int occurence = 1; - if (pos_occ == -1) { - index = Integer.valueOf(idx_occ).intValue(); - } else { - index = Integer.valueOf(idx_occ.substring(0, pos_occ)).intValue(); - occurence = Integer.valueOf(idx_occ.substring(pos_occ + 1)).intValue(); - } - if (index >= 0 && index < size) { - Link inlnk = new Link((String) keys.elementAt(index), occurence); - in_links.addElement(inlnk); - } - } - } - inLinksTable.put(key, in_links); - } catch (Exception e) { - fileOk = false; - } - } - - return fileOk; - } - return false; - - } - - return false; - } - - /** - * Saves this builder's state to disk so that it can be restarted in the same state later. - */ - public void save(IProject project) { - - File stateFile = getStateFile(project); - if (inLinksTable == null) { - stateFile.delete(); - } else { - - // Prepare the index vector - - Vector index_vector = new Vector(inLinksTable.size()); - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - index_vector.addElement(aenum.nextElement()); - } - - // write inLinksTable to stateFile - - try { - File parentFolder = stateFile.getParentFile(); - if (!parentFolder.exists()) { - parentFolder.mkdirs(); - } - PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(stateFile))); - for (Enumeration aenum = inLinksTable.keys(); aenum.hasMoreElements();) { - String key = (String) aenum.nextElement(); - out.print(key); - out.println(); - out.print(LINK_INDEX_SEPARATOR); - Vector in_links = (Vector) inLinksTable.get(key); - int nb_of_links = in_links.size(); - - // Replace the string by index - // Add a '+'separator only for more than one links to save space - // Add '/<occurence>' only if occurence > 1 to save space - // - - Link lnk = null; - int nb_lnks = 0; - if (nb_of_links > 0) { - lnk = (Link) in_links.elementAt(0); - out.print(index_vector.indexOf(lnk.getURL())); - nb_lnks = lnk.getOccurrences(); - if (nb_lnks > 1) { - out.print(LINK_OCCURENCE_SEPARATOR); - out.print(nb_lnks); - } - for (int i = 1; i < nb_of_links; i++) { - out.print(LINK_INDEX_SEPARATOR); - lnk = (Link) in_links.elementAt(i); - out.print(index_vector.indexOf(lnk.getURL())); - nb_lnks = lnk.getOccurrences(); - if (nb_lnks > 1) { - out.print(LINK_OCCURENCE_SEPARATOR); - out.print(nb_lnks); - } - } - } - out.println(); - } - /* - * use this to save out anchor information // - * ############################################ if ( !anchorsTable.isEmpty() ) { - * out.println( ANCHOR_SEPARATOR ); } for (Enumeration enum = anchorsTable.keys(); - * enum.hasMoreElements();) { String key = (String) enum.nextElement(); - * out.print(key); out.println(); //out.print(ANCHOR_INDEX_SEPARATOR); out.println( - * anchorsTable.get(key) ); } - */ - - out.flush(); - out.close(); - } catch (IOException e) { - WebPlugin.logError(ProjectSupportResourceHandler.Error_while_saving_links_s_EXC_); // = "Error while saving links state file" - } - } - } - - /** - * Insert the method's description here. Creation date: (3/21/2001 1:45:58 PM) - * - * @param newFileOk - * boolean - */ - void setFileOk(boolean newFileOk) { - fileOk = newFileOk; - } -} |