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authorChristian Maierhofer <cmaierhofer@iaik.tugraz.at>2016-06-21 15:35:47 +0200
committerAndreas Fitzek <andreas.fitzek@iaik.tugraz.at>2016-08-17 16:49:55 +0200
commit998859c70f4ce4e1ea6924b053c231351dfe5703 (patch)
treeeb85e2ab7b6f0eb0350d1f8d4a110cd80293ee7d /pdf-as-common/src/main/java/at/gv/egiz/pdfas/common/settings
parent464c44c367f32f8e7624a6b3ed3474c95a69d6fa (diff)
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-/*******************************************************************************
- * <copyright> Copyright 2014 by E-Government Innovation Center EGIZ, 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.
- * <p>
- * 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/
- * <p>
- * 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.
- * <p>
- * 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.common.settings;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Properties;
-import java.util.Vector;
-
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.io.IOCase;
-import org.apache.commons.io.filefilter.WildcardFileFilter;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import at.gv.egiz.pdfas.common.exceptions.PdfAsSettingsException;
-
-public class Settings implements ISettings, IProfileConstants {
-
- private static final Logger logger = LoggerFactory
- .getLogger(Settings.class);
-
- protected Properties properties = new Properties();
-
- protected File workDirectory;
-
- public Settings(File workDirectory) {
- try {
- this.workDirectory = workDirectory;
- loadSettings(workDirectory);
- } catch (PdfAsSettingsException e) {
- logger.error(e.getMessage(), e);
- }
- }
-
- private void loadSettingsRecursive(File workDirectory, File file)
- throws PdfAsSettingsException {
- try {
- String configDir = workDirectory.getAbsolutePath() + File.separator
- + CFG_DIR;
- Properties tmpProps = new Properties();
- logger.debug("Loading: " + file.getName());
- tmpProps.load(new FileInputStream(file));
-
- properties.putAll(tmpProps);
-
- Map<String, String> includes = this.getValuesPrefix(INCLUDE,
- tmpProps);
- File contextFolder = new File(configDir);
- if (includes != null) {
- Iterator<String> includeIterator = includes.values().iterator();
- while (includeIterator.hasNext()) {
- contextFolder = new File(configDir);
- String includeFileName = includeIterator.next();
-
- File includeInstruction = new File(contextFolder,
- includeFileName);
- contextFolder = includeInstruction.getParentFile();
- String includeName = includeInstruction.getName();
-
- WildcardFileFilter fileFilter = new WildcardFileFilter(
- includeName, IOCase.SENSITIVE);
- Collection<File> includeFiles = null;
-
- if (contextFolder != null && contextFolder.exists()
- && contextFolder.isDirectory()) {
- includeFiles = FileUtils.listFiles(contextFolder,
- fileFilter, null);
- }
- if (includeFiles != null && !includeFiles.isEmpty()) {
- logger.debug("Including '" + includeFileName + "'.");
- for (File includeFile : includeFiles) {
- loadSettingsRecursive(workDirectory, includeFile);
- }
- }
- }
- }
-
- } catch (IOException e) {
- throw new PdfAsSettingsException("Failed to read settings!", e);
- }
- }
-
- private void showAugments(Profiles profiles) {
- if (!profiles.getAugments().isEmpty()) {
- logger.debug("\tAugments for {}", profiles.getName());
- for (int i = 0; i < profiles.getAugments().size(); i++) {
- logger.debug("\t\t{}", profiles.getAugments().get(i).getName());
- }
- }
- }
-
- private boolean isAugmentsReady(Profiles profiles) {
- Iterator<Profiles> augmentingProfiles = profiles.getAugments().iterator();
- boolean allInitialized = true;
- while (augmentingProfiles.hasNext()) {
- if (!augmentingProfiles.next().isInitialized()) {
- allInitialized = false;
- }
- }
- return allInitialized;
- }
-
- private boolean isParentReady(Profiles profiles) {
- if (profiles.getParent() != null) {
- return profiles.getParent().isInitialized();
- } else {
- return false;
- }
- }
-
- private void performAugmentConfiguration(Profiles profiles) {
- Iterator<Profiles> augmentingProfiles = profiles.getAugments().iterator();
-
- String childBase = "sig_obj."
- + profiles.getName();
-
- while (augmentingProfiles.hasNext()) {
- Profiles augmentingProfile = augmentingProfiles.next();
- String augmentingBase = "sig_obj." + augmentingProfile.getName();
-
- Iterator<String> augmentingKeyIt = this.getKeys(
- augmentingBase + ".").iterator();
-
- while (augmentingKeyIt.hasNext()) {
- String key = augmentingKeyIt.next();
- String keyToCopy = key.substring(augmentingBase
- .length());
- //logger.debug("Profile: {} => {}",
- // key, childBase+keyToCopy);
- String sourceKey = augmentingBase + keyToCopy;
- String targetKey = childBase + keyToCopy;
-
- if (!this.hasValue(targetKey)) {
- properties.setProperty(targetKey,
- this.getValue(sourceKey));
- //logger.debug("Replaced: {} with Value from {}",
- // childBase+keyToCopy, parentBase+keyToCopy);
- } else {
- //logger.debug("NOT Replaced: {} with Value from {}",
- // childBase+keyToCopy, parentBase+keyToCopy);
- }
- }
- }
- }
-
- private void performParentConfiguration(Profiles profiles) {
- if (profiles.getParent() != null) {
- // If Parent is initialized Copy Properties from Parent
- // to this profile
- String parentBase = "sig_obj." + profiles.getParent().getName();
- String childBase = "sig_obj."
- + profiles.getName();
-
- Iterator<String> parentKeyIt = this.getKeys(
- parentBase + ".").iterator();
- while (parentKeyIt.hasNext()) {
- String key = parentKeyIt.next();
- String keyToCopy = key.substring(parentBase
- .length());
- //logger.debug("Profile: {} => {}",
- // key, childBase+keyToCopy);
- String sourceKey = parentBase + keyToCopy;
- String targetKey = childBase + keyToCopy;
-
- if (!this.hasValue(targetKey)) {
- properties.setProperty(targetKey,
- this.getValue(sourceKey));
- //logger.debug("Replaced: {} with Value from {}",
- // childBase+keyToCopy, parentBase+keyToCopy);
- } else {
- //logger.debug("NOT Replaced: {} with Value from {}",
- // childBase+keyToCopy, parentBase+keyToCopy);
- }
- }
- }
- }
-
- private void buildProfiles() {
- Map<String, Profiles> profiles = new HashMap<String, Profiles>();
-
- Iterator<String> itKeys = this.getFirstLevelKeys("sig_obj.types.")
- .iterator();
- while (itKeys.hasNext()) {
- String key = itKeys.next();
- String profile = key.substring("sig_obj.types.".length());
- //System.out.println("[" + profile + "]: " + this.getValue(key));
- if (this.getValue(key).equals("on")) {
- Profiles prof = new Profiles(profile);
- profiles.put(profile, prof);
- }
- }
-
- // Initialize Parent Structure ...
- Iterator<Entry<String, Profiles>> profileIterator = profiles.entrySet()
- .iterator();
- while (profileIterator.hasNext()) {
- Entry<String, Profiles> entry = profileIterator.next();
- entry.getValue().findParent(properties, profiles);
- }
-
- // Debug Output
- Iterator<Entry<String, Profiles>> profileIteratorDbg = profiles.entrySet()
- .iterator();
- while (profileIteratorDbg.hasNext()) {
- Entry<String, Profiles> entry = profileIteratorDbg.next();
- if (entry.getValue().getParent() == null) {
- logger.debug("Got Profile: [{}] : {}", entry.getKey(), entry.getValue().getName());
- showAugments(entry.getValue());
- } else {
- logger.debug("Got Profile: [{}] : {} (Parent {})", entry.getKey(),
- entry.getValue().getName(), entry.getValue().getParent().getName());
- showAugments(entry.getValue());
- }
- }
-
- logger.debug("Configured Settings: {}",
- properties.size());
-
- // Resolve Parent Structures ...
- while (!profiles.isEmpty()) {
- List<String> removes = new ArrayList<String>();
- Iterator<Entry<String, Profiles>> profileIt = profiles.entrySet()
- .iterator();
- while (profileIt.hasNext()) {
- Entry<String, Profiles> entry = profileIt.next();
-
- // Remove all base Profiles ...
- if (entry.getValue().getParent() == null && entry.getValue().getAugments().isEmpty()) {
- // Has neither parent or augmenting profiles
-
- entry.getValue().setInitialized(true);
- removes.add(entry.getKey());
- } else if (entry.getValue().getParent() == null) {
- // Has augmenting profiles but no parent
-
- // check if all augmenting profiles are initialized if so
- // add them
-
- Profiles profile = entry.getValue();
- if (this.isAugmentsReady(profile)) {
- this.performAugmentConfiguration(profile);
- // Copy done
- entry.getValue().setInitialized(true);
- removes.add(entry.getKey());
- } else {
- logger.debug("Not all augmenting profiles are ready yet for {}", entry.getValue().getName());
- }
- } else if (entry.getValue().getAugments().isEmpty()) {
-
- // Has parent but no augmenting profiles
- Profiles profile = entry.getValue();
-
- if (this.isParentReady(profile)) {
- this.performParentConfiguration(profile);
- // Copy done
- entry.getValue().setInitialized(true);
- removes.add(entry.getKey());
- }
- } else {
-
- // Has parent and augmenting profiles
-
- Profiles profile = entry.getValue();
- if (this.isAugmentsReady(profile) && this.isParentReady(profile)) {
- // order is curcial, augments preceed over parent configuration
- this.performAugmentConfiguration(profile);
- this.performParentConfiguration(profile);
-
- // Copy done
- entry.getValue().setInitialized(true);
- removes.add(entry.getKey());
- }
- }
- }
-
- // Remove all Profiles from Remove List
-
- if (removes.isEmpty() && !profiles.isEmpty()) {
- logger.error("Failed to build inheritant Profiles, running in infinite loop! (aborting ...)");
- logger.error("Profiles that cannot be resolved completly:");
- Iterator<Entry<String, Profiles>> failedProfiles = profiles.entrySet().iterator();
- while (failedProfiles.hasNext()) {
- Entry<String, Profiles> entry = failedProfiles.next();
- logger.error("Problem Profile: [{}] : {}", entry.getKey(), entry.getValue().getName());
- }
- return;
- }
-
- Iterator<String> removeIt = removes.iterator();
- while (removeIt.hasNext()) {
- profiles.remove(removeIt.next());
- }
- }
-
- logger.debug("Derived Settings: {}",
- properties.size());
-
- }
-
- public void debugDumpProfileSettings(String profileName) {
- Iterator<String> keysIterator = this.getKeys("sig_obj." + profileName + ".").iterator();
-
- logger.debug("Configuration for {}", profileName);
- while(keysIterator.hasNext()) {
- String key = keysIterator.next();
- logger.debug(" {}: {}", key, this.getValue(key));
- }
- }
-
- public void loadSettings(File workDirectory) throws PdfAsSettingsException {
- // try {
- String configDir = workDirectory.getAbsolutePath() + File.separator
- + CFG_DIR;
- String configFile = configDir + File.separator + CFG_FILE;
- loadSettingsRecursive(workDirectory, new File(configFile));
- buildProfiles();
- /*
- * logger.debug("Loading cfg file: " + configFile);
- *
- *
- * properties.load(new FileInputStream(configFile));
- *
- * Map<String, String> includes = this.getValuesPrefix(INCLUDE); File
- * contextFolder = new File(configDir); if (includes != null) {
- * Iterator<String> includeIterator = includes.values().iterator();
- * while (includeIterator.hasNext()) { String includeFileName =
- * includeIterator.next(); if (includeFileName.contains("*")) {
- * WildcardFileFilter fileFilter = new WildcardFileFilter(
- * includeFileName, IOCase.SENSITIVE); Collection<File> includeFiles =
- * null;
- *
- * if (contextFolder != null && contextFolder.exists() &&
- * contextFolder.isDirectory()) { includeFiles =
- * FileUtils.listFiles(contextFolder, fileFilter, null); } if
- * (includeFiles != null && !includeFiles.isEmpty()) {
- * logger.info("Including '" + includeFileName + "'."); for (File
- * includeFile : includeFiles) { properties .load(new
- * FileInputStream(includeFile)); } } } else { String includeFile =
- * configDir + File.separator + includeFileName;
- * logger.debug("Loading included cfg file: " + includeFile); try {
- * properties.load(new FileInputStream(includeFile)); } catch (Throwable
- * e) { logger.error("Failed to load cfg file " + includeFile, e); } } }
- * }
- */
- // logger.debug("Configured Properties:");
- /*
- * if(logger.isDebugEnabled()) { properties.list(System.out); }
- */
-
- // } catch (IOException e) {
- // throw new PdfAsSettingsException("Failed to read settings!", e);
- // }
- }
-
- public String getValue(String key) {
- return properties.getProperty(key);
- }
-
- public boolean hasValue(String key) {
- return properties.containsKey(key);
- }
-
- private Map<String, String> getValuesPrefix(String prefix, Properties props) {
- Iterator<Object> keyIterator = props.keySet().iterator();
- Map<String, String> valueMap = new HashMap<String, String>();
- while (keyIterator.hasNext()) {
- String key = keyIterator.next().toString();
-
- if (key.startsWith(prefix)) {
- valueMap.put(key, props.getProperty(key));
- }
- }
-
- if (valueMap.isEmpty()) {
- return null;
- }
-
- return valueMap;
- }
-
- public Map<String, String> getValuesPrefix(String prefix) {
- return getValuesPrefix(prefix, properties);
- }
-
- public Vector<String> getKeys(String prefix) {
- Iterator<Object> keyIterator = properties.keySet().iterator();
- Vector<String> valueMap = new Vector<String>();
- while (keyIterator.hasNext()) {
- String key = keyIterator.next().toString();
-
- if (key.startsWith(prefix)) {
- valueMap.add(key);
- }
- }
- return valueMap;
- }
-
- public Vector<String> getFirstLevelKeys(String prefix) {
- String mPrefix = prefix.endsWith(".") ? prefix : prefix + ".";
- Iterator<Object> keyIterator = properties.keySet().iterator();
- Vector<String> valueMap = new Vector<String>();
- while (keyIterator.hasNext()) {
- String key = keyIterator.next().toString();
-
- if (key.startsWith(prefix)) {
- int keyIdx = key.indexOf('.', mPrefix.length()) > 0 ? key
- .indexOf('.', mPrefix.length()) : key.length();
- String firstLevels = key.substring(0, keyIdx);
- if (!valueMap.contains(firstLevels)) {
- valueMap.add(firstLevels);
- }
- }
- }
-
- if (valueMap.isEmpty()) {
- return null;
- }
-
- return valueMap;
- }
-
- public boolean hasPrefix(String prefix) {
- Iterator<Object> keyIterator = properties.keySet().iterator();
- while (keyIterator.hasNext()) {
- String key = keyIterator.next().toString();
-
- if (key.startsWith(prefix)) {
- return true;
- }
- }
- return false;
- }
-
- public String getWorkingDirectory() {
- return this.workDirectory.getAbsolutePath();
- }
-
-}