+/*
+ * jSite - Configuration.java - Copyright © 2006–2012 David Roden
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+package de.todesbaum.jsite.main;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import de.todesbaum.jsite.application.FileOption;
+import de.todesbaum.jsite.application.Node;
+import de.todesbaum.jsite.application.Project;
+import de.todesbaum.jsite.main.ConfigurationLocator.ConfigurationLocation;
+import de.todesbaum.util.freenet.fcp2.ClientPutDir.ManifestPutter;
+import de.todesbaum.util.freenet.fcp2.PriorityClass;
+import de.todesbaum.util.io.Closer;
+import de.todesbaum.util.io.StreamCopier;
+import de.todesbaum.util.xml.SimpleXML;
+import de.todesbaum.util.xml.XML;
+
+/**
+ * The configuration.
+ *
+ * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
+ */
+public class Configuration {
+
+ /** The root node of the configuration. */
+ private SimpleXML rootNode;
+
+ /** The configuration locator. */
+ private final ConfigurationLocator configurationLocator;
+
+ /** Where the configuration resides. */
+ private ConfigurationLocation configurationLocation;
+
+ /**
+ * Creates a new configuration that is read from the given file.
+ *
+ * @param configurationLocator
+ * The configuration locator
+ * @param configurationLocation
+ * The configuration directory
+ */
+ public Configuration(ConfigurationLocator configurationLocator, ConfigurationLocation configurationLocation) {
+ this.configurationLocator = configurationLocator;
+ this.configurationLocation = configurationLocation;
+ readConfiguration(configurationLocator.getFile(configurationLocation));
+ }
+
+ //
+ // ACCESSORS
+ //
+
+ /**
+ * Returns the configuration locator.
+ *
+ * @return The configuration locator
+ */
+ public ConfigurationLocator getConfigurationLocator() {
+ return configurationLocator;
+ }
+
+ /**
+ * Returns the location the configuration will be written to when calling
+ * {@link #save()}.
+ *
+ * @return The location the configuration will be written to
+ */
+ public ConfigurationLocation getConfigurationDirectory() {
+ return configurationLocation;
+ }
+
+ /**
+ * Sets the location the configuration will be written to when calling
+ * {@link #save()}.
+ *
+ * @param configurationLocation
+ * The location to write the configuration to
+ */
+ public void setConfigurationLocation(ConfigurationLocation configurationLocation) {
+ this.configurationLocation = configurationLocation;
+ }
+
+ /**
+ * Reads the configuration from the file.
+ *
+ * @param filename
+ * The name of the file to read the configuration from
+ */
+ private void readConfiguration(String filename) {
+ Logger.getLogger(Configuration.class.getName()).log(Level.CONFIG, "Reading configuration from: " + filename);
+ if (filename != null) {
+ File configurationFile = new File(filename);
+ if (configurationFile.exists()) {
+ ByteArrayOutputStream fileByteOutputStream = null;
+ FileInputStream fileInputStream = null;
+ try {
+ fileByteOutputStream = new ByteArrayOutputStream();
+ fileInputStream = new FileInputStream(configurationFile);
+ StreamCopier.copy(fileInputStream, fileByteOutputStream, configurationFile.length());
+ fileByteOutputStream.close();
+ byte[] fileBytes = fileByteOutputStream.toByteArray();
+ rootNode = SimpleXML.fromDocument(XML.transformToDocument(fileBytes));
+ return;
+ } catch (FileNotFoundException e) {
+ /* ignore. */
+ } catch (IOException e) {
+ /* ignore. */
+ } finally {
+ Closer.close(fileInputStream);
+ Closer.close(fileByteOutputStream);
+ }
+ }
+ }
+ rootNode = new SimpleXML("configuration");
+ }
+
+ /**
+ * Saves the configuration.
+ *
+ * @return <code>true</code> if the configuration could be saved,
+ * <code>false</code> otherwise
+ */
+ public boolean save() {
+ Logger.getLogger(Configuration.class.getName()).log(Level.CONFIG, "Trying to save configuration to: " + configurationLocation);
+ File configurationFile = new File(configurationLocator.getFile(configurationLocation));
+ if (!configurationFile.exists()) {
+ File configurationFilePath = configurationFile.getAbsoluteFile().getParentFile();
+ if (!configurationFilePath.exists() && !configurationFilePath.mkdirs()) {
+ return false;
+ }
+ }
+ FileOutputStream fileOutputStream = null;
+ ByteArrayInputStream configurationInputStream = null;
+ try {
+ byte[] configurationBytes = XML.transformToByteArray(rootNode.getDocument());
+ configurationInputStream = new ByteArrayInputStream(configurationBytes);
+ fileOutputStream = new FileOutputStream(configurationFile);
+ StreamCopier.copy(configurationInputStream, fileOutputStream, configurationBytes.length);
+ return true;
+ } catch (IOException ioe1) {
+ /* ignore. */
+ } finally {
+ Closer.close(configurationInputStream);
+ Closer.close(fileOutputStream);
+ }
+ return false;
+ }
+
+ /**
+ * Returns the value of a node.
+ *
+ * @param nodeNames
+ * The name of all nodes in the chain
+ * @param defaultValue
+ * The default value to return if the node could not be found
+ * @return The value of the node, or the default value if the node could not
+ * be found
+ */
+ private String getNodeValue(String[] nodeNames, String defaultValue) {
+ SimpleXML node = rootNode;
+ int nodeIndex = 0;
+ while ((node != null) && (nodeIndex < nodeNames.length)) {
+ node = node.getNode(nodeNames[nodeIndex++]);
+ }
+ if (node == null) {
+ return defaultValue;
+ }
+ return node.getValue();
+ }
+
+ /**
+ * Returns the integer value of a node.
+ *
+ * @param nodeNames
+ * The names of all nodes in the chain
+ * @param defaultValue
+ * The default value to return if the node can not be found
+ * @return The parsed integer value, or the default value if the node can
+ * not be found or the value can not be parsed into an integer
+ */
+ private int getNodeIntValue(String[] nodeNames, int defaultValue) {
+ try {
+ return Integer.parseInt(getNodeValue(nodeNames, String.valueOf(defaultValue)));
+ } catch (NumberFormatException nfe1) {
+ /* ignore. */
+ }
+ return defaultValue;
+ }
+
+ /**
+ * Returns the boolean value of a node.
+ *
+ * @param nodeNames
+ * The names of all nodes in the chain
+ * @param defaultValue
+ * The default value to return if the node can not be found
+ * @return The parsed boolean value, or the default value if the node can
+ * not be found
+ */
+ private boolean getNodeBooleanValue(String[] nodeNames, boolean defaultValue) {
+ String nodeValue = getNodeValue(nodeNames, null);
+ if (nodeValue == null) {
+ return defaultValue;
+ }
+ return Boolean.parseBoolean(nodeValue);
+ }
+
+ /**
+ * Returns the hostname of the node.
+ *
+ * @return The hostname of the node
+ * @deprecated Use {@link #getSelectedNode()} instead
+ */
+ @Deprecated
+ public String getNodeAddress() {
+ return getNodeValue(new String[] { "node-address" }, "localhost");
+ }
+
+ /**
+ * Sets the hostname of the node.
+ *
+ * @param nodeAddress
+ * The hostname of the node
+ * @deprecated Use {@link #setSelectedNode(Node)} instead
+ */
+ @Deprecated
+ public void setNodeAddress(String nodeAddress) {
+ rootNode.replace("node-address", nodeAddress);
+ }
+
+ /**
+ * The port number of the node
+ *
+ * @return The port number of the node
+ * @deprecated Use {@link #getSelectedNode()} instead.
+ */
+ @Deprecated
+ public int getNodePort() {
+ return getNodeIntValue(new String[] { "node-port" }, 9481);
+ }
+
+ /**
+ * Sets the port number of the node.
+ *
+ * @param nodePort
+ * The port number of the node
+ * @deprecated Use {@link #setSelectedNode(Node)} instead
+ */
+ @Deprecated
+ public void setNodePort(int nodePort) {
+ rootNode.replace("node-port", String.valueOf(nodePort));
+ }
+
+ /**
+ * Returns whether the node configuration page should be skipped on startup.
+ *
+ * @return <code>true</code> to skip the node configuration page on startup,
+ * <code>false</code> to show it
+ */
+ public boolean isSkipNodePage() {
+ return getNodeBooleanValue(new String[] { "skip-node-page" }, false);
+ }
+
+ /**
+ * Sets whether the node configuration page should be skipped on startup.
+ *
+ * @param skipNodePage
+ * <code>true</code> to skip the node configuration page on
+ * startup, <code>false</code> to show it
+ */
+ public void setSkipNodePage(boolean skipNodePage) {
+ rootNode.replace("skip-node-page", String.valueOf(skipNodePage));
+ }
+
+ /**
+ * Returns all configured projects.
+ *
+ * @return A list of all projects
+ */
+ public Project[] getProjects() {
+ List<Project> projects = new ArrayList<Project>();
+ SimpleXML projectsNode = rootNode.getNode("project-list");
+ if (projectsNode != null) {
+ SimpleXML[] projectNodes = projectsNode.getNodes("project");
+ for (SimpleXML projectNode : projectNodes) {
+ try {
+ Project project = new Project();
+ projects.add(project);
+ project.setDescription(projectNode.getNode("description").getValue(""));
+ String indexFile = projectNode.getNode("index-file").getValue("");
+ if (indexFile.indexOf('/') > -1) {
+ indexFile = "";
+ }
+ project.setIndexFile(indexFile);
+ project.setLastInsertionTime(Long.parseLong(projectNode.getNode("last-insertion-time").getValue("0")));
+ project.setLocalPath(projectNode.getNode("local-path").getValue(""));
+ project.setName(projectNode.getNode("name").getValue(""));
+ project.setPath(projectNode.getNode("path").getValue(""));
+ if ((project.getPath() != null) && (project.getPath().indexOf("/") != -1)) {
+ project.setPath(project.getPath().replaceAll("/", ""));
+ }
+ project.setEdition(Integer.parseInt(projectNode.getNode("edition").getValue("0")));
+ project.setInsertURI(projectNode.getNode("insert-uri").getValue(""));
+ project.setRequestURI(projectNode.getNode("request-uri").getValue(""));
+ if (projectNode.getNode("ignore-hidden-files") != null) {
+ project.setIgnoreHiddenFiles(Boolean.parseBoolean(projectNode.getNode("ignore-hidden-files").getValue("true")));
+ } else {
+ project.setIgnoreHiddenFiles(true);
+ }
+
+ /* load last insert hashes. */
+ Map<String, FileOption> fileOptions = new HashMap<String, FileOption>();
+ SimpleXML lastInsertHashesNode = projectNode.getNode("last-insert-hashes");
+ if (lastInsertHashesNode != null) {
+ for (SimpleXML fileNode : lastInsertHashesNode.getNodes("file")) {
+ String filename = fileNode.getNode("filename").getValue();
+ String lastInsertHash = fileNode.getNode("last-insert-hash").getValue();
+ int lastInsertEdition = Integer.valueOf(fileNode.getNode("last-insert-edition").getValue());
+ String lastInsertFilename = filename;
+ if (fileNode.getNode("last-insert-filename") != null) {
+ lastInsertFilename = fileNode.getNode("last-insert-filename").getValue();
+ }
+ FileOption fileOption = project.getFileOption(filename);
+ fileOption.setLastInsertHash(lastInsertHash).setLastInsertEdition(lastInsertEdition).setLastInsertFilename(lastInsertFilename);
+ fileOptions.put(filename, fileOption);
+ }
+ }
+
+ SimpleXML fileOptionsNode = projectNode.getNode("file-options");
+ if (fileOptionsNode != null) {
+ SimpleXML[] fileOptionNodes = fileOptionsNode.getNodes("file-option");
+ for (SimpleXML fileOptionNode : fileOptionNodes) {
+ String filename = fileOptionNode.getNode("filename").getValue();
+ FileOption fileOption = project.getFileOption(filename);
+ fileOption.setInsert(Boolean.parseBoolean(fileOptionNode.getNode("insert").getValue()));
+ if (fileOptionNode.getNode("insert-redirect") != null) {
+ fileOption.setInsertRedirect(Boolean.parseBoolean(fileOptionNode.getNode("insert-redirect").getValue()));
+ }
+ fileOption.setCustomKey(fileOptionNode.getNode("custom-key").getValue(""));
+ if (fileOptionNode.getNode("changed-name") != null) {
+ fileOption.setChangedName(fileOptionNode.getNode("changed-name").getValue());
+ }
+ fileOption.setMimeType(fileOptionNode.getNode("mime-type").getValue(""));
+ fileOptions.put(filename, fileOption);
+ }
+ }
+ project.setFileOptions(fileOptions);
+ } catch (NumberFormatException nfe1) {
+ nfe1.printStackTrace();
+ }
+ }
+ }
+ return projects.toArray(new Project[projects.size()]);
+ }
+
+ /**
+ * Sets the list of all projects.
+ *
+ * @param projects
+ * The list of all projects
+ */
+ public void setProjects(Project[] projects) {
+ SimpleXML projectsNode = new SimpleXML("project-list");
+ for (Project project : projects) {
+ SimpleXML projectNode = projectsNode.append("project");
+ projectNode.append("edition", String.valueOf(project.getEdition()));
+ projectNode.append("description", project.getDescription());
+ projectNode.append("index-file", project.getIndexFile());
+ projectNode.append("last-insertion-time", String.valueOf(project.getLastInsertionTime()));
+ projectNode.append("local-path", project.getLocalPath());
+ projectNode.append("name", project.getName());
+ projectNode.append("path", project.getPath());
+ projectNode.append("insert-uri", project.getInsertURI());
+ projectNode.append("request-uri", project.getRequestURI());
+ projectNode.append("ignore-hidden-files", String.valueOf(project.isIgnoreHiddenFiles()));
+
+ /* store last insert hashes. */
+ SimpleXML lastInsertHashesNode = projectNode.append("last-insert-hashes");
+ for (Entry<String, FileOption> fileOption : project.getFileOptions().entrySet()) {
+ if ((fileOption.getValue().getLastInsertHash() == null) || (fileOption.getValue().getLastInsertHash().length() == 0)) {
+ continue;
+ }
+ SimpleXML fileNode = lastInsertHashesNode.append("file");
+ fileNode.append("filename", fileOption.getKey());
+ fileNode.append("last-insert-hash", fileOption.getValue().getLastInsertHash());
+ fileNode.append("last-insert-edition", String.valueOf(fileOption.getValue().getLastInsertEdition()));
+ fileNode.append("last-insert-filename", fileOption.getValue().getLastInsertFilename());
+ }
+
+ SimpleXML fileOptionsNode = projectNode.append("file-options");
+ Iterator<Entry<String, FileOption>> entries = project.getFileOptions().entrySet().iterator();
+ while (entries.hasNext()) {
+ Entry<String, FileOption> entry = entries.next();
+ FileOption fileOption = entry.getValue();
+ if (fileOption.isCustom()) {
+ SimpleXML fileOptionNode = fileOptionsNode.append("file-option");
+ fileOptionNode.append("filename", entry.getKey());
+ fileOptionNode.append("insert", String.valueOf(fileOption.isInsert()));
+ fileOptionNode.append("insert-redirect", String.valueOf(fileOption.isInsertRedirect()));
+ fileOptionNode.append("custom-key", fileOption.getCustomKey());
+ fileOptionNode.append("changed-name", fileOption.getChangedName());
+ fileOptionNode.append("mime-type", fileOption.getMimeType());
+ }
+ }
+ }
+ rootNode.replace(projectsNode);
+ }
+
+ /**
+ * Returns the stored locale.
+ *
+ * @return The stored locale
+ */
+ public Locale getLocale() {
+ String language = getNodeValue(new String[] { "i18n", "language" }, "en");
+ String country = getNodeValue(new String[] { "i18n", "country" }, null);
+ if (country != null) {
+ return new Locale(language, country);
+ }
+ return new Locale(language);
+ }
+
+ /**
+ * Sets the locale to store.
+ *
+ * @param locale
+ * The locale to store
+ */
+ public void setLocale(Locale locale) {
+ SimpleXML i18nNode = new SimpleXML("i18n");
+ if (locale.getCountry().length() != 0) {
+ i18nNode.append("country", locale.getCountry());
+ }
+ i18nNode.append("language", locale.getLanguage());
+ rootNode.replace(i18nNode);
+ return;
+ }
+
+ /**
+ * Returns a list of configured nodes.
+ *
+ * @return The list of the configured nodes
+ */
+ public Node[] getNodes() {
+ SimpleXML nodesNode = rootNode.getNode("nodes");
+ if (nodesNode == null) {
+ String hostname = getNodeAddress();
+ int port = getNodePort();
+ if (hostname == null) {
+ hostname = "127.0.0.1";
+ port = 9481;
+ }
+ return new Node[] { new Node(hostname, port, "Node") };
+ }
+ SimpleXML[] nodeNodes = nodesNode.getNodes("node");
+ Node[] returnNodes = new Node[nodeNodes.length];
+ int nodeIndex = 0;
+ for (SimpleXML nodeNode : nodeNodes) {
+ String name = nodeNode.getNode("name").getValue();
+ String hostname = nodeNode.getNode("hostname").getValue();
+ int port = Integer.parseInt(nodeNode.getNode("port").getValue());
+ Node node = new Node(hostname, port, name);
+ returnNodes[nodeIndex++] = node;
+ }
+ return returnNodes;
+ }
+
+ /**
+ * Sets the list of configured nodes.
+ *
+ * @param nodes
+ * The list of configured nodes
+ */
+ public void setNodes(Node[] nodes) {
+ SimpleXML nodesNode = new SimpleXML("nodes");
+ for (Node node : nodes) {
+ SimpleXML nodeNode = nodesNode.append("node");
+ nodeNode.append("name", node.getName());
+ nodeNode.append("hostname", node.getHostname());
+ nodeNode.append("port", String.valueOf(node.getPort()));
+ }
+ rootNode.replace(nodesNode);
+ rootNode.remove("node-address");
+ rootNode.remove("node-port");
+ }
+
+ /**
+ * Sets the selected node.
+ *
+ * @param selectedNode
+ * The selected node
+ */
+ public void setSelectedNode(Node selectedNode) {
+ SimpleXML selectedNodeNode = new SimpleXML("selected-node");
+ selectedNodeNode.append("name", selectedNode.getName());
+ selectedNodeNode.append("hostname", selectedNode.getHostname());
+ selectedNodeNode.append("port", String.valueOf(selectedNode.getPort()));
+ rootNode.replace(selectedNodeNode);
+ }
+
+ /**
+ * Returns the selected node.
+ *
+ * @return The selected node
+ */
+ public Node getSelectedNode() {
+ SimpleXML selectedNodeNode = rootNode.getNode("selected-node");
+ if (selectedNodeNode == null) {
+ String hostname = getNodeAddress();
+ int port = getNodePort();
+ if (hostname == null) {
+ hostname = "127.0.0.1";
+ port = 9481;
+ }
+ return new Node(hostname, port, "Node");
+ }
+ String name = selectedNodeNode.getNode("name").getValue();
+ String hostname = selectedNodeNode.getNode("hostname").getValue();
+ int port = Integer.valueOf(selectedNodeNode.getNode("port").getValue());
+ return new Node(hostname, port, name);
+ }
+
+ /**
+ * Returns the temp directory to use.
+ *
+ * @return The temp directoy, or {@code null} to use the default temp
+ * directory
+ */
+ public String getTempDirectory() {
+ return getNodeValue(new String[] { "temp-directory" }, null);
+ }
+
+ /**
+ * Sets the temp directory to use.
+ *
+ * @param tempDirectory
+ * The temp directory to use, or {@code null} to use the default
+ * temp directory
+ */
+ public void setTempDirectory(String tempDirectory) {
+ if (tempDirectory != null) {
+ SimpleXML tempDirectoryNode = new SimpleXML("temp-directory");
+ tempDirectoryNode.setValue(tempDirectory);
+ rootNode.replace(tempDirectoryNode);
+ } else {
+ rootNode.remove("temp-directory");
+ }
+ }
+
+ /**
+ * Returns whether to use the “early encode“ flag for the insert.
+ *
+ * @return {@code true} to set the “early encode” flag for the insert,
+ * {@code false} otherwise
+ */
+ public boolean useEarlyEncode() {
+ return getNodeBooleanValue(new String[] { "use-early-encode" }, false);
+ }
+
+ /**
+ * Sets whether to use the “early encode“ flag for the insert.
+ *
+ * @param useEarlyEncode
+ * {@code true} to set the “early encode” flag for the insert,
+ * {@code false} otherwise
+ * @return This configuration
+ */
+ public Configuration setUseEarlyEncode(boolean useEarlyEncode) {
+ rootNode.replace("use-early-encode", String.valueOf(useEarlyEncode));
+ return this;
+ }
+
+ /**
+ * Returns the insert priority.
+ *
+ * @return The insert priority
+ */
+ public PriorityClass getPriority() {
+ return PriorityClass.valueOf(getNodeValue(new String[] { "insert-priority" }, "interactive"));
+ }
+
+ /**
+ * Sets the insert priority.
+ *
+ * @param priority
+ * The insert priority
+ * @return This configuration
+ */
+ public Configuration setPriority(PriorityClass priority) {
+ rootNode.replace("insert-priority", priority.toString());
+ return this;
+ }
+
+ /**
+ * Returns the manifest putter.
+ *
+ * @return The manifest putter
+ */
+ public ManifestPutter getManifestPutter() {
+ return ManifestPutter.valueOf(getNodeValue(new String[] { "manifest-putter" }, "simple").toUpperCase());
+ }
+
+ /**
+ * Sets the manifest putter.
+ *
+ * @param manifestPutter
+ * The manifest putter
+ * @return This configuration
+ */
+ public Configuration setManifestPutter(ManifestPutter manifestPutter) {
+ rootNode.replace("manifest-putter", manifestPutter.name().toLowerCase());
+ return this;
+ }
+
+}