diff options
Diffstat (limited to 'src/java/org/apache/fop/hyphenation/Hyphenator.java')
| -rw-r--r-- | src/java/org/apache/fop/hyphenation/Hyphenator.java | 159 |
1 files changed, 53 insertions, 106 deletions
diff --git a/src/java/org/apache/fop/hyphenation/Hyphenator.java b/src/java/org/apache/fop/hyphenation/Hyphenator.java index 062b0e922..31cf8e1c8 100644 --- a/src/java/org/apache/fop/hyphenation/Hyphenator.java +++ b/src/java/org/apache/fop/hyphenation/Hyphenator.java @@ -20,21 +20,20 @@ package org.apache.fop.hyphenation; import java.io.BufferedInputStream; -import java.io.File; import java.io.IOException; import java.io.InputStream; import java.io.ObjectInputStream; +import java.net.URISyntaxException; import java.util.Map; -import javax.xml.transform.Source; -import javax.xml.transform.stream.StreamSource; - import org.xml.sax.InputSource; import org.apache.commons.io.IOUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; +import org.apache.fop.apps.io.InternalResourceResolver; + /** * <p>This class is the main entry point to the hyphenation package. * You can use only the static methods or create an instance.</p> @@ -75,7 +74,7 @@ public final class Hyphenator { * @return the hyphenation tree */ public static HyphenationTree getHyphenationTree(String lang, - String country, HyphenationTreeResolver resolver, Map hyphPatNames) { + String country, InternalResourceResolver resolver, Map hyphPatNames) { String llccKey = HyphenationTreeCache.constructLlccKey(lang, country); HyphenationTreeCache cache = getHyphenationTreeCache(); @@ -126,12 +125,12 @@ public final class Hyphenator { * The hyphenation trees are cached. * @param lang the language * @param country the country (may be null or "none") - * @param resolver resolver to find the hyphenation files + * @param resourceResolver resolver to find the hyphenation files * @param hyphPatNames the map with user-configured hyphenation pattern file names * @return the hyphenation tree */ - private static HyphenationTree getHyphenationTree2(String lang, - String country, HyphenationTreeResolver resolver, Map hyphPatNames) { + public static HyphenationTree getHyphenationTree2(String lang, + String country, InternalResourceResolver resourceResolver, Map hyphPatNames) { String llccKey = HyphenationTreeCache.constructLlccKey(lang, country); HyphenationTreeCache cache = getHyphenationTreeCache(); @@ -147,8 +146,8 @@ public final class Hyphenator { key = llccKey; } - if (resolver != null) { - hTree = getUserHyphenationTree(key, resolver); + if (resourceResolver != null) { + hTree = getUserHyphenationTree(key, resourceResolver); } if (hTree == null) { hTree = getFopHyphenationTree(key); @@ -230,30 +229,11 @@ public final class Hyphenator { * Load tree from serialized file or xml file * using configuration settings * @param key language key for the requested hyphenation file - * @param hyphenDir base directory to find hyphenation files in - * @return the requested HypenationTree or null if it is not available - */ - public static HyphenationTree getUserHyphenationTree(String key, - String hyphenDir) { - final File baseDir = new File(hyphenDir); - HyphenationTreeResolver resolver = new HyphenationTreeResolver() { - public Source resolve(String href) { - File f = new File(baseDir, href); - return new StreamSource(f); - } - }; - return getUserHyphenationTree(key, resolver); - } - - /** - * Load tree from serialized file or xml file - * using configuration settings - * @param key language key for the requested hyphenation file - * @param resolver resolver to find the hyphenation files + * @param resourceResolver resource resolver to find the hyphenation files * @return the requested HypenationTree or null if it is not available */ public static HyphenationTree getUserHyphenationTree(String key, - HyphenationTreeResolver resolver) { + InternalResourceResolver resourceResolver) { HyphenationTree hTree = null; // I use here the following convention. The file name specified in // the configuration is taken as the base name. First we try @@ -262,93 +242,63 @@ public final class Hyphenator { // first try serialized object String name = key + ".hyp"; - Source source = resolver.resolve(name); - if (source != null) { + try { + InputStream in = getHyphenationTreeStream(name, resourceResolver); try { - InputStream in = null; - if (source instanceof StreamSource) { - in = ((StreamSource) source).getInputStream(); - } - if (in == null) { - if (source.getSystemId() != null) { - in = new java.net.URL(source.getSystemId()).openStream(); - } else { - throw new UnsupportedOperationException - ("Cannot load hyphenation pattern file" - + " with the supplied Source object: " + source); - } - } - in = new BufferedInputStream(in); - try { - hTree = readHyphenationTree(in); - } finally { - IOUtils.closeQuietly(in); - } - return hTree; - } catch (IOException ioe) { - if (log.isDebugEnabled()) { - log.debug("I/O problem while trying to load " + name, ioe); - } + hTree = readHyphenationTree(in); + } finally { + IOUtils.closeQuietly(in); + } + return hTree; + } catch (IOException ioe) { + if (log.isDebugEnabled()) { + log.debug("I/O problem while trying to load " + name, ioe); } } // try the raw XML file name = key + ".xml"; - source = resolver.resolve(name); - if (source != null) { - hTree = new HyphenationTree(); + hTree = new HyphenationTree(); + try { + InputStream in = getHyphenationTreeStream(name, resourceResolver); try { - InputStream in = null; - if (source instanceof StreamSource) { - in = ((StreamSource) source).getInputStream(); - } - if (in == null) { - if (source.getSystemId() != null) { - in = new java.net.URL(source.getSystemId()).openStream(); - } else { - throw new UnsupportedOperationException( - "Cannot load hyphenation pattern file" - + " with the supplied Source object: " + source); - } - } - if (!(in instanceof BufferedInputStream)) { - in = new BufferedInputStream(in); - } - try { - InputSource src = new InputSource(in); - src.setSystemId(source.getSystemId()); - hTree.loadPatterns(src); - } finally { - IOUtils.closeQuietly(in); - } - if (statisticsDump) { - System.out.println("Stats: "); - hTree.printStats(); - } - return hTree; - } catch (HyphenationException ex) { - log.error("Can't load user patterns from XML file " + source.getSystemId() - + ": " + ex.getMessage()); - return null; - } catch (IOException ioe) { - if (log.isDebugEnabled()) { - log.debug("I/O problem while trying to load " + name, ioe); - } - return null; + InputSource src = new InputSource(in); + src.setSystemId(name); + hTree.loadPatterns(src); + } finally { + IOUtils.closeQuietly(in); + } + if (statisticsDump) { + System.out.println("Stats: "); + hTree.printStats(); } - } else { + return hTree; + } catch (HyphenationException ex) { + log.error("Can't load user patterns from XML file " + name + ": " + ex.getMessage()); + return null; + } catch (IOException ioe) { if (log.isDebugEnabled()) { - log.debug("Could not load user hyphenation file for '" + key + "'."); + log.debug("I/O problem while trying to load " + name, ioe); } return null; } } + private static InputStream getHyphenationTreeStream(String name, + InternalResourceResolver resourceResolver) throws IOException { + try { + return new BufferedInputStream(resourceResolver.getResource(name)); + } catch (URISyntaxException use) { + log.debug("An exception was thrown while attempting to load " + name, use); + } + return null; + } + /** * Hyphenates a word. * @param lang the language * @param country the optional country code (may be null or "none") - * @param resolver resolver to find the hyphenation files + * @param resourceResolver resolver to find the hyphenation files * @param hyphPatNames the map with user-configured hyphenation pattern file names * @param word the word to hyphenate * @param leftMin the minimum number of characters before the hyphenation point @@ -356,15 +306,12 @@ public final class Hyphenator { * @return the hyphenation result */ public static Hyphenation hyphenate(String lang, String country, - HyphenationTreeResolver resolver, - Map hyphPatNames, - String word, - int leftMin, int rightMin) { - HyphenationTree hTree = getHyphenationTree(lang, country, resolver, hyphPatNames); + InternalResourceResolver resourceResolver, Map hyphPatNames, String word, int leftMin, + int rightMin) { + HyphenationTree hTree = getHyphenationTree(lang, country, resourceResolver, hyphPatNames); if (hTree == null) { return null; } return hTree.hyphenate(word, leftMin, rightMin); } - } |