diff options
Diffstat (limited to 'target_explorer/plugins/org.eclipse.tm.te.runtime.persistence/src/org/eclipse/tm/te/runtime/persistence/properties/PropertiesFilePersistenceDelegate.java')
| -rw-r--r-- | target_explorer/plugins/org.eclipse.tm.te.runtime.persistence/src/org/eclipse/tm/te/runtime/persistence/properties/PropertiesFilePersistenceDelegate.java | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/target_explorer/plugins/org.eclipse.tm.te.runtime.persistence/src/org/eclipse/tm/te/runtime/persistence/properties/PropertiesFilePersistenceDelegate.java b/target_explorer/plugins/org.eclipse.tm.te.runtime.persistence/src/org/eclipse/tm/te/runtime/persistence/properties/PropertiesFilePersistenceDelegate.java deleted file mode 100644 index a4739a1d7..000000000 --- a/target_explorer/plugins/org.eclipse.tm.te.runtime.persistence/src/org/eclipse/tm/te/runtime/persistence/properties/PropertiesFilePersistenceDelegate.java +++ /dev/null @@ -1,274 +0,0 @@ -/*******************************************************************************
- * Copyright (c) 2011 Wind River Systems, Inc. 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:
- * Wind River Systems - initial API and implementation
- *******************************************************************************/
-package org.eclipse.tm.te.runtime.persistence.properties;
-
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.net.URI;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-import org.eclipse.core.runtime.Assert;
-import org.eclipse.core.runtime.IPath;
-import org.eclipse.core.runtime.Path;
-import org.eclipse.tm.te.runtime.persistence.AbstractPersistenceDelegate;
-
-/**
- * Properties file persistence delegate implementation.
- * <p>
- * The persistence delegates reads and writes a simple grouped properties file format.
- */
-public class PropertiesFilePersistenceDelegate extends AbstractPersistenceDelegate {
-
- /* (non-Javadoc)
- * @see org.eclipse.tm.te.runtime.persistence.interfaces.IPersistenceDelegate#write(java.net.URI, java.util.Map)
- */
- @Override
- public void write(URI uri, Map<String, Object> data) throws IOException {
- Assert.isNotNull(uri);
- Assert.isNotNull(data);
-
- // Only "file:" URIs are supported
- if (!"file".equalsIgnoreCase(uri.getScheme())) { //$NON-NLS-1$
- throw new IOException("Unsupported URI schema '" + uri.getScheme() + "'"); //$NON-NLS-1$ //$NON-NLS-2$
- }
-
- // Create the file object from the given URI
- File file = new File(uri.normalize());
-
- // The file must be absolute
- if (!file.isAbsolute()) {
- throw new IOException("URI must denote an absolute file path."); //$NON-NLS-1$
- }
-
- // If the file extension is no set, default to "properties"
- IPath path = new Path(file.getCanonicalPath());
- if (path.getFileExtension() == null) {
- file = path.addFileExtension("properties").toFile(); //$NON-NLS-1$
- }
-
- // Create the writer object
- BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "UTF-8")); //$NON-NLS-1$
- try {
- // Write the first level of attributes
- writeMap(writer, "core", data); //$NON-NLS-1$
- } finally {
- writer.close();
- }
- }
-
- /* (non-Javadoc)
- * @see org.eclipse.tm.te.runtime.persistence.interfaces.IPersistenceDelegate#delete(java.net.URI)
- */
- @Override
- public boolean delete(URI uri) throws IOException {
- Assert.isNotNull(uri);
-
- // Only "file:" URIs are supported
- if (!"file".equalsIgnoreCase(uri.getScheme())) { //$NON-NLS-1$
- throw new IOException("Unsupported URI schema '" + uri.getScheme() + "'"); //$NON-NLS-1$ //$NON-NLS-2$
- }
-
- // Create the file object from the given URI
- File file = new File(uri.normalize());
-
- // The file must be absolute
- if (!file.isAbsolute()) {
- throw new IOException("URI must denote an absolute file path."); //$NON-NLS-1$
- }
-
- // If the file extension is no set, default to "properties"
- IPath path = new Path(file.getCanonicalPath());
- if (path.getFileExtension() == null) {
- file = path.addFileExtension("properties").toFile(); //$NON-NLS-1$
- }
-
- return file.delete();
- }
-
- /* (non-Javadoc)
- * @see org.eclipse.tm.te.runtime.persistence.interfaces.IPersistenceDelegate#read(java.net.URI)
- */
- @Override
- public Map<String, Object> read(URI uri) throws IOException {
- Assert.isNotNull(uri);
-
- // Only "file:" URIs are supported
- if (!"file".equalsIgnoreCase(uri.getScheme())) { //$NON-NLS-1$
- throw new IOException("Unsupported URI schema '" + uri.getScheme() + "'"); //$NON-NLS-1$ //$NON-NLS-2$
- }
-
- // Create the file object from the given URI
- File file = new File(uri.normalize());
-
- // The file must be absolute
- if (!file.isAbsolute()) {
- throw new IOException("URI must denote an absolute file path."); //$NON-NLS-1$
- }
-
- Map<String, Object> data = new HashMap<String, Object>();
-
- // Create the reader object
- BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8")); //$NON-NLS-1$
- try {
- read(reader, data);
- } finally {
- reader.close();
- }
-
- return !data.isEmpty() ? data : null;
- }
-
- /**
- * Write the map data.
- *
- * @param writer The writer. Must not be <code>null</code>.
- * @param section The section name. Must not be <code>null</code>.
- * @param data The data. Must not be <code>null</code>.
- */
- protected void writeMap(BufferedWriter writer, String section, Map<String, Object> data) throws IOException {
- Assert.isNotNull(writer);
- Assert.isNotNull(section);
- Assert.isNotNull(data);
-
- // Will contain the list of map keys where the value is a map type itself.
- List<String> childMapKeys = new ArrayList<String>();
- // Will contain the list of map keys where the value is not an map type.
- List<String> childKeys = new ArrayList<String>();
-
- // Get all the map keys and filter the map type values
- for (String key : data.keySet()) {
- if (data.get(key) instanceof Map) childMapKeys.add(key);
- else childKeys.add(key);
- }
-
- // Sort both lists
- Collections.sort(childMapKeys);
- Collections.sort(childKeys);
-
- // If the child key list is not empty, write the section
- if (!childKeys.isEmpty()) {
- // Write a new line except it is the "core" section
- if (!"core".equals(section)) writer.newLine(); //$NON-NLS-1$
-
- // Write the header
- writer.write("[" + section.trim() + "]"); //$NON-NLS-1$ //$NON-NLS-2$
- writer.newLine();
-
- for (String key : childKeys) {
- writer.write('\t');
- writer.write(key);
- writer.write(" = "); //$NON-NLS-1$
-
- Object value = data.get(key);
- if (value instanceof List) {
- writer.write(Arrays.deepToString(((List<?>)value).toArray()));
- } else {
- writer.write(value.toString());
- }
-
- writer.newLine();
- }
- }
-
- // If there are map type values, write them now
- if (!childMapKeys.isEmpty()) {
- for (String key : childMapKeys) {
- // Calculate the section name
- String newSection = "core".equals(section) ? key.trim() : section + "." + key.trim(); //$NON-NLS-1$ //$NON-NLS-2$
- // Write it
- writeMap(writer, newSection, (Map<String, Object>)data.get(key));
- }
- }
- }
-
- private static Pattern SECTION = Pattern.compile("\\s*\\[([^\\]]+)\\]\\s*"); //$NON-NLS-1$
- private static Pattern PROPERTY = Pattern.compile("\\s*(.+\\s*=\\s*.+)"); //$NON-NLS-1$
-
- /**
- * Read the data.
- *
- * @param reader The reader. Must not be <code>null</code>.
- * @param data The data. Must not be <code>null</code>.
- */
- protected void read(BufferedReader reader, Map<String, Object> data) throws IOException {
- Assert.isNotNull(reader);
- Assert.isNotNull(data);
-
- // The sections by name for easier access.
- // The "core" section is the incoming data object
- Map<String, Map<String, Object>> sections = new HashMap<String, Map<String, Object>>();
- sections.put("core", data); //$NON-NLS-1$
-
- String currentSection = "core"; //$NON-NLS-1$
- String line = reader.readLine();
- while (line != null) {
- Matcher matcher = SECTION.matcher(line);
- if (matcher.matches()) {
- currentSection = matcher.group(1).toLowerCase();
- if (sections.get(currentSection) == null) {
- sections.put(currentSection, new HashMap<String, Object>());
- }
- } else {
- matcher = PROPERTY.matcher(line);
- if (matcher.matches()) {
- String property = matcher.group(1);
- String[] pieces = property.split("=", 2); //$NON-NLS-1$
- Map<String, Object> section = sections.get(currentSection);
- section.put(pieces[0].trim(), pieces[1].trim());
- }
- }
-
- line = reader.readLine();
- }
-
- // Recreate the sections hierarchy
- for (String sectionName : sections.keySet()) {
- if ("core".equals(sectionName)) continue; //$NON-NLS-1$
- Map<String, Object> section = sections.get(sectionName);
- if (sectionName.contains(".")) { //$NON-NLS-1$
- // Split the section name and recreate the missing hierarchy
- String[] pieces = sectionName.split("\\."); //$NON-NLS-1$
- Map<String, Object> parentSection = data;
- for (String subSectionName : pieces) {
- if ("core".equals(subSectionName)) continue; //$NON-NLS-1$
-
- if (sectionName.endsWith(subSectionName)) {
- parentSection.put(subSectionName, section);
- } else {
- Map<String, Object> subSection = (Map<String, Object>)parentSection.get(subSectionName);
- if (subSection == null) {
- subSection = new HashMap<String, Object>();
- parentSection.put(subSectionName, subSection);
- }
- parentSection = subSection;
- }
- }
- } else {
- // Place it into the root object, but check if it may exist
- Map<String, Object> oldSection = (Map<String, Object>)data.get(sectionName);
- if (oldSection != null) oldSection.putAll(section);
- else data.put(sectionName, section);
- }
- }
- }
-}
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