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diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/utils/ConfigUtils.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/utils/ConfigUtils.java
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+/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.gv.egiz.pdfas.utils;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+import org.apache.commons.lang.StringUtils;
+import org.apache.commons.lang.SystemUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.log4j.PropertyConfigurator;
+
+import at.gv.egiz.pdfas.api.commons.Constants;
+import at.gv.egiz.pdfas.api.exceptions.ConfigUtilsException;
+import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;
+import at.knowcenter.wag.egov.egiz.pdf.Utils;
+
+/**
+ * @author <a href="mailto:thomas.knall@egiz.gv.at">Thomas Knall</a>
+ */
+public final class ConfigUtils {
+
+ private ConfigUtils() {
+ }
+
+ /**
+ * The log.
+ */
+ private static final Log logger_ = LogFactory.getLog(ConfigUtils.class);
+
+ /**
+ * Deploys the default configuration with apache commons vfs.
+ *
+ * @param destination The destination folder.
+ * @param overwriteExisting If set <code>true</code> an already existing configuration is overwritten. If <code>false</code> nothing is being copied if the destination folder already exists.
+ * @return <code>true</code> if the configuration has been deployed, <code>false</code> if not.
+ * @throws ConfigUtilsException Thrown if there was an error during the deployment of the configuration.
+ */
+ /*
+ private static boolean deployWithCommonsVFS(String destination, boolean overwriteExisting) throws ConfigUtilsException {
+ try {
+ FileSystemManager fsManager = VFS.getManager();
+ FileObject defaultConfigurationFile = fsManager.resolveFile("res:DefaultConfiguration");
+ FileObject destinationFile = fsManager.resolveFile(destination);
+
+ if (destinationFile.exists() && !overwriteExisting) {
+ return false;
+ }
+
+ destinationFile.copyFrom(defaultConfigurationFile, new AllFileSelector());
+ return true;
+ } catch (FileSystemException e) {
+ throw new ConfigUtilsException(e);
+ }
+ }
+ */
+
+
+ /**
+ * Deploys the default configuration from an included zip file.
+ *
+ * @param destination The destination folder.
+ * @param overwriteExisting If set <code>true</code> an already existing configuration is overwritten. If <code>false</code> nothing is being copied if the destination folder already exists.
+ * @return <code>true</code> if the configuration has been deployed, <code>false</code> if not.
+ * @throws ConfigUtilsException Thrown if there was an error during the deployment of the configuration.
+ */
+ private static boolean deployFromZIP(String destination, boolean overwriteExisting) throws ConfigUtilsException {
+ try {
+ if (!overwriteExisting) {
+ if (configurationAlreadyExists(destination)) {
+ logger_.debug("There is at least one file or folder that would be overwritten at destination path \"" + destination + "\". Skipping extraction.");
+ return false;
+ }
+ }
+ InputStream in = ConfigUtils.class.getClassLoader().getResourceAsStream(Constants.DEFAULT_CONFIGURATION_ZIP_RESOURCE);
+ if (in == null) {
+ throw new ConfigUtilsException("Unable to find default configuration resource \"" + Constants.DEFAULT_CONFIGURATION_ZIP_RESOURCE + "\".");
+ }
+ return deployFromZIP(in, destination, overwriteExisting);
+ } catch (IOException e) {
+ throw new ConfigUtilsException(e);
+ }
+ }
+
+ /**
+ * Deploys the contents of a ZIP file to a certain location.
+ *
+ * @param inputStream The inputStream of a ZIP container.
+ * @param destination The destination folder.
+ * @param overwriteExisting If set <code>true</code> an already existing configuration is overwritten. If <code>false</code> nothing is being copied if the destination folder already exists.
+ * @return <code>true</code> if the configuration has been deployed, <code>false</code> if not.
+ * @throws ConfigUtilsException Thrown if there was an error during the deployment of the configuration.
+ */
+ public static boolean deployFromZIP(InputStream inputStream, String destination, boolean overwriteExisting) throws ConfigUtilsException {
+ try {
+ if (!overwriteExisting) {
+ if (configurationAlreadyExists(destination)) {
+ logger_.debug("There is at least one file or folder that would be overwritten at destination path \"" + destination + "\". Skipping extraction.");
+ return false;
+ }
+ }
+ if (inputStream == null) {
+ throw new ConfigUtilsException("Unable to deploy ZIP file. InputStream is null.");
+ }
+ ZipInputStream zis = new ZipInputStream(inputStream);
+ ZipEntry ze;
+ File destinationFolder = new File(destination);
+ destinationFolder.mkdirs();
+ logger_.debug("Extracting ZIP contents to folder \"" + destinationFolder.getCanonicalPath() + "\".");
+ while ((ze = zis.getNextEntry()) != null) {
+ if (ze.isDirectory()) {
+ File newFolder = new File(destinationFolder, ze.getName());
+ logger_.debug("Extracting folder \"" + newFolder.getPath() + "\".");
+ newFolder.mkdirs();
+ } else {
+ File destFile = new File(destinationFolder, ze.getName());
+ logger_.trace("Extracting file \"" + destFile.getName() + "\".");
+ PDFASUtils.toFile(zis, destFile);
+ }
+ zis.closeEntry();
+ }
+ zis.close();
+ return true;
+ } catch (IOException e) {
+ throw new ConfigUtilsException(e);
+ }
+ }
+
+ private static boolean configurationAlreadyExists(String destination) throws ConfigUtilsException, IOException {
+ logger_.debug("Checking configuration \"" + destination + "\" already exists (resp. if there are any directories or files that would be overwritten).");
+ File destinationFolder = new File(destination);
+ if (destinationFolder == null || !destinationFolder.exists()) {
+ return false;
+ }
+ InputStream in = ConfigUtils.class.getClassLoader().getResourceAsStream(Constants.DEFAULT_CONFIGURATION_ZIP_RESOURCE);
+ if (in == null) {
+ throw new ConfigUtilsException("Unable to find default configuration resource \"" + Constants.DEFAULT_CONFIGURATION_ZIP_RESOURCE + "\".");
+ }
+ ZipInputStream zis = new ZipInputStream(in);
+ ZipEntry ze;
+ while ((ze = zis.getNextEntry()) != null) {
+ if (ze.isDirectory()) {
+ File newFolder = new File(destinationFolder, ze.getName());
+ logger_.debug("Checking if folder \"" + newFolder.getPath() + "\" already exists.");
+ if (newFolder.exists()) {
+ logger_.debug("YES !");
+ return true;
+ } else {
+ logger_.debug("no");
+ }
+ } else {
+ File destFile = new File(destinationFolder, ze.getName());
+ logger_.trace("Checking if file \"" + destFile.getName() + "\" already exists.");
+ if (destFile.exists()) {
+ logger_.trace("YES !");
+ return true;
+ } else {
+ logger_.trace("no");
+ }
+ }
+ zis.closeEntry();
+ }
+ zis.close();
+ return false;
+ }
+
+ /**
+ * Deploys the default configuration to the given destination folder.
+ *
+ * @param destination The destination folder.
+ * @param overwriteExisting If set <code>true</code> an already existing configuration is overwritten. If <code>false</code> nothing is being copied if the destination folder already exists.
+ * @return The folder the configuration has been extracted to or <code>null</code> if the configuration has NOT been deployed.
+ * @throws ConfigUtilsException Thrown if there was an error during the deployment of the configuration.
+ */
+ public static String deployDefaultConfiguration(String destination, boolean overwriteExisting) throws ConfigUtilsException {
+ if (destination == null) {
+ throw new NullPointerException("Destination must not be null.");
+ }
+ if (destination.length() == 0) {
+ throw new IllegalArgumentException("Destination must not be empty.");
+ }
+ return deployFromZIP(destination, overwriteExisting) ? destination : null;
+ }
+
+ /**
+ * Deploys the default configuration to the user's home directory to the subdirectory specified by
+ * <code>Constants.Constants.USERHOME_CONFIG_FOLDER</code>.
+ *
+ * @param overwriteExisting If set <code>true</code> an already existing configuration is overwritten. If <code>false</code> nothing is being copied if the destination folder already exists.
+ * @return The folder the configuration has been extracted to or <code>null</code> if the configuration has NOT been deployed.
+ * @throws ConfigUtilsException Thrown if there was an error during the deployment of the configuration.
+ * @see Constants#USERHOME_CONFIG_FOLDER
+ */
+ public static String deployDefaultConfiguration(boolean overwriteExisting) throws ConfigUtilsException {
+ String configdir = System.getProperty(Constants.CONFIG_DIR_SYSTEM_PROPERTY);
+ if (configdir == null) {
+ configdir = System.getProperty("user.home");
+ if (configdir != null) {
+ configdir = configdir + File.separator + Constants.USERHOME_CONFIG_FOLDER;
+ }
+ }
+ if (configdir == null || configdir.length() == 0) {
+ return null;
+ }
+ return deployDefaultConfiguration(configdir, overwriteExisting);
+ }
+
+ /**
+ * Deploys the default configuration to the user's home directory to the subdirectory specified by
+ * <code>Constants.Constants.USERHOME_CONFIG_FOLDER</code>.
+ *
+ * @return The folder the configuration has been extracted to or <code>null</code> if the configuration has NOT been deployed.
+ * @throws ConfigUtilsException Thrown if there was an error during the deployment of the configuration.
+ * @see Constants#USERHOME_CONFIG_FOLDER
+ */
+ public static String deployDefaultConfiguration() throws ConfigUtilsException {
+ return deployDefaultConfiguration(false);
+ }
+
+ public static void writeInputStreamToOutputStream(InputStream inputStream, OutputStream outputStream) throws IOException {
+ final int bufferSize = 1024;
+ byte[] buffer = new byte[bufferSize];
+ int len = -1;
+ while ((len = inputStream.read(buffer)) != -1) {
+ outputStream.write(buffer, 0, len);
+ }
+ outputStream.flush();
+ }
+
+ public static String assertFileSeparator(String path) {
+ if (path == null) {
+ throw new NullPointerException("Path must not be null.");
+ }
+ if (path.endsWith(File.separator) || path.endsWith("/") || path.endsWith("\\")) {
+ return path;
+ } else {
+ return (path + File.separator);
+ }
+ }
+
+ public static void initializeLogger() {
+ String loggerConfiguration = System.getProperty("log4j.configuration");
+ if (loggerConfiguration != null) {
+ logger_.info("No PDF-AS logger configured because a configuration has already been set via system property \"log4j.configuration\" (=\"" + loggerConfiguration + "\").");
+ return;
+ }
+ loggerConfiguration = assertFileSeparator(SettingsReader.CONFIG_PATH) + "log4j.properties";
+ File loggerConfigFile = new File(loggerConfiguration);
+ if (!loggerConfigFile.exists()) {
+ logger_.info("No PDF-AS logger configured because there is no log4j.properties within the pdf-as work dir. Maybe the logger configuration is handled by an outside application (e.g. a web application).");
+ return;
+ }
+ logger_.info("Initializing PDF-AS logger (configuration = \"" + loggerConfiguration + "\").");
+ PropertyConfigurator.configure(loggerConfiguration);
+ }
+
+ public static void printConfigInfo(Log logger) {
+ int length = Utils.max(new int[] { SettingsReader.RESOURCES_PATH.length(), SettingsReader.TMP_PATH.length(), SettingsReader.CONFIG_PATH.length(), SettingsReader.CERT_PATH.length() });
+
+ String separator = StringUtils.repeat("*", length + 25);
+ String infoResources = " resources path = \"" + SettingsReader.RESOURCES_PATH + "\"";
+ String infoConfiguration = " configuration path = \"" + SettingsReader.CONFIG_PATH + "\"";
+ String infoCertStore = " certstore path = \"" + SettingsReader.CERT_PATH + "\"";
+ String infoTempPath = " temporary path = \"" + SettingsReader.TMP_PATH + "\"";
+ String encoding = " file.encoding = \"" + System.getProperty("file.encoding") + "\"";
+
+ if (logger != null) {
+ logger.info(separator);
+ logger.info(infoResources);
+ logger.info(infoConfiguration);
+ logger.info(infoCertStore);
+ logger.info(infoTempPath);
+ logger.info(encoding);
+ logger.info(separator);
+ } else {
+ StringBuffer buffer = new StringBuffer();
+ buffer.append(separator).append(SystemUtils.LINE_SEPARATOR);
+ buffer.append(infoResources).append(SystemUtils.LINE_SEPARATOR);
+ buffer.append(infoConfiguration).append(SystemUtils.LINE_SEPARATOR);
+ buffer.append(infoCertStore).append(SystemUtils.LINE_SEPARATOR);
+ buffer.append(infoTempPath).append(SystemUtils.LINE_SEPARATOR);
+ buffer.append(encoding).append(SystemUtils.LINE_SEPARATOR);
+ buffer.append(separator);
+ System.out.println(buffer.toString());
+ }
+ }
+
+ public static void printConfigInfo() {
+ printConfigInfo(null);
+ }
+
+}