diff options
Diffstat (limited to 'pdf-as-lib/src/main/java/at/gv/egiz')
| -rw-r--r-- | pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/settings/Settings.java | 468 |
1 files changed, 468 insertions, 0 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/settings/Settings.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/settings/Settings.java new file mode 100644 index 00000000..0dc36fd2 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/settings/Settings.java @@ -0,0 +1,468 @@ +/******************************************************************************* + * <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(); + } + +} |