import org.apache.commons.logging.LogFactory;
import org.apache.fop.ResourceEventProducer;
+import org.apache.fop.apps.FOUserAgent;
import org.apache.fop.apps.io.InternalResourceResolver;
import org.apache.fop.events.EventBroadcaster;
/** logging instance */
private static final Log log = LogFactory.getLog(Hyphenator.class);
- private static HyphenationTreeCache hTreeCache;
-
/** Enables a dump of statistics. Note: If activated content is sent to System.out! */
private static boolean statisticsDump;
public static final String HYPTYPE = Hyphenator.class.toString() + "HYP";
public static final String XMLTYPE = Hyphenator.class.toString() + "XML";
- /**
- * Creates a new hyphenator.
- */
- private Hyphenator() { }
-
- /** @return the default (static) hyphenation tree cache */
- public static synchronized HyphenationTreeCache getHyphenationTreeCache() {
- if (hTreeCache == null) {
- hTreeCache = new HyphenationTreeCache();
- }
- return hTreeCache;
+ private Hyphenator() {
}
- /**
- * Clears the default hyphenation tree cache.<br>
- * This method can be used if the underlying data files are changed at runtime.
- */
- public static synchronized void clearHyphenationTreeCache() {
- hTreeCache = new HyphenationTreeCache();
- }
-
- /**
- * Returns a hyphenation tree for a given language and country,
- * with fallback from (lang,country) to (lang).
- * 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 hyphPatNames the map with user-configured hyphenation pattern file names
- * @return the hyphenation tree
- */
public static HyphenationTree getHyphenationTree(String lang, String country,
- InternalResourceResolver resolver, Map hyphPatNames) {
- return getHyphenationTree(lang, country, resolver, hyphPatNames, null);
- }
-
- public static HyphenationTree getHyphenationTree(String lang, String country,
- InternalResourceResolver resourceResolver, Map hyphPatNames, EventBroadcaster eventBroadcaster) {
+ InternalResourceResolver resourceResolver, Map hyphPatNames, FOUserAgent foUserAgent) {
String llccKey = HyphenationTreeCache.constructLlccKey(lang, country);
- HyphenationTreeCache cache = getHyphenationTreeCache();
- // If this hyphenation tree has been registered as missing, return immediately
- if (cache.isMissing(llccKey)) {
+ HyphenationTreeCache cache = foUserAgent.getHyphenationTreeCache();
+
+ // See if there was an error finding this hyphenation tree before
+ if (cache == null || cache.isMissing(llccKey)) {
return null;
}
HyphenationTree hTree;
// first try to find it in the cache
- hTree = getHyphenationTreeCache().getHyphenationTree(lang, country);
+ hTree = cache.getHyphenationTree(lang, country);
if (hTree != null) {
return hTree;
}
}
if (hTree == null && country != null && !country.equals("none")) {
- return getHyphenationTree(lang, null, resourceResolver, hyphPatNames, eventBroadcaster);
+ return getHyphenationTree(lang, null, resourceResolver, hyphPatNames, foUserAgent);
}
// put it into the pattern cache
if (hTree != null) {
cache.cache(llccKey, hTree);
} else {
+ EventBroadcaster eventBroadcaster = foUserAgent.getEventBroadcaster();
if (eventBroadcaster == null) {
log.error("Couldn't find hyphenation pattern " + llccKey);
} else {
* @return the hyphenation tree or null if it wasn't found in the resources
*/
public static HyphenationTree getFopHyphenationTree(String key) {
- HyphenationTree hTree = null;
- ObjectInputStream ois = null;
- InputStream is = null;
- try {
- is = getResourceStream(key);
- if (is == null) {
- if (log.isDebugEnabled()) {
- log.debug("Couldn't find precompiled hyphenation pattern "
- + key + " in resources");
- }
- return null;
+ InputStream is = getResourceStream(key);
+ if (is == null) {
+ if (log.isDebugEnabled()) {
+ log.debug("Couldn't find precompiled hyphenation pattern "
+ + key + " in resources");
}
- hTree = readHyphenationTree(is);
- } finally {
- IOUtils.closeQuietly(ois);
+ return null;
}
- return hTree;
+ return readHyphenationTree(is);
}
/**
return null;
}
- /**
- * Hyphenates a word.
- * @param lang the language
- * @param country the optional country code (may be null or "none")
- * @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
- * @param rightMin the minimum number of characters after the hyphenation point
- * @return the hyphenation result
- */
- public static Hyphenation hyphenate(String lang, String country,
- InternalResourceResolver resourceResolver, Map hyphPatNames, String word, int leftMin,
- int rightMin) {
- return hyphenate(lang, country, resourceResolver, hyphPatNames, word, leftMin, rightMin, null);
- }
-
public static Hyphenation hyphenate(String lang, String country, InternalResourceResolver resourceResolver,
- Map hyphPatNames, String word, int leftMin, int rightMin,
- EventBroadcaster eventBroadcaster) {
- HyphenationTree hTree = getHyphenationTree(lang, country, resourceResolver, hyphPatNames, eventBroadcaster);
+ Map hyphPatNames,
+ String word,
+ int leftMin, int rightMin, FOUserAgent foUserAgent) {
+ HyphenationTree hTree = getHyphenationTree(lang, country, resourceResolver, hyphPatNames, foUserAgent);
if (hTree == null) {
return null;
}
return hTree.hyphenate(word, leftMin, rightMin);
}
+
}
package org.apache.fop;
import java.io.File;
+import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import org.apache.commons.io.IOUtils;
+
+import org.apache.fop.apps.FopFactory;
import org.apache.fop.apps.io.InternalResourceResolver;
import org.apache.fop.apps.io.ResourceResolverFactory;
import org.apache.fop.hyphenation.Hyphenation;
import org.apache.fop.hyphenation.Hyphenator;
public class HyphenationTestCase {
+ private FopFactory fopFactory = FopFactory.newInstance(new File(".").toURI());
@Test
public void testHyphenator() {
InternalResourceResolver resourceResolver = ResourceResolverFactory.createDefaultInternalResourceResolver(
f.toURI());
Hyphenation hyph = Hyphenator.hyphenate("fr.xml" + Hyphenator.XMLTYPE, null, resourceResolver, null,
- "hello", 0, 0);
+ "hello", 0, 0, fopFactory.newFOUserAgent());
assertEquals(hyph.toString(), "-hel-lo");
}
out.close();
Hyphenation hyph = Hyphenator.hyphenate("fr.hyp" + Hyphenator.HYPTYPE, null, resourceResolver, null,
- "oello", 0, 0);
+ "oello", 0, 0, fopFactory.newFOUserAgent());
assertEquals(hyph.toString(), "oel-lo");
hyp.delete();
f.delete();
}
+
+ @Test
+ public void testHyphenatorCache() throws IOException {
+ File f = File.createTempFile("hyp", "fop");
+ f.delete();
+ f.mkdir();
+ File frxml = new File(f, "fr.xml");
+ IOUtils.copy(new FileInputStream("test/resources/fop/fr.xml"), new FileOutputStream(frxml));
+ InternalResourceResolver resourceResolver = ResourceResolverFactory.createDefaultInternalResourceResolver(
+ f.toURI());
+ Hyphenation hyph = Hyphenator.hyphenate("fr.xml" + Hyphenator.XMLTYPE, null, resourceResolver, null,
+ "hello", 0, 0, fopFactory.newFOUserAgent());
+ assertEquals(hyph.toString(), "-hel-lo");
+
+ FileOutputStream fos = new FileOutputStream(frxml);
+ fos.write(("<hyphenation-info></hyphenation-info>").getBytes());
+ fos.close();
+ fopFactory = FopFactory.newInstance(new File(".").toURI());
+ hyph = Hyphenator.hyphenate("fr.xml" + Hyphenator.XMLTYPE, null, resourceResolver, null,
+ "hello", 0, 0, fopFactory.newFOUserAgent());
+ assertNull(hyph);
+
+ frxml.delete();
+ f.delete();
+ }
}