mirror of https://github.com/apache/lucene.git
LUCENE-3969: Remove code duplication
git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene3969@1311320 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Uwe Schindler
parent
4456273922
commit
bd8bdb08b3
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@ -184,6 +184,35 @@ public class TestRandomChains extends BaseTokenStreamTestCase {
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return (Constructor<? extends T>) ctor;
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}
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private static void getClassesForPackage(String pckgname, List<Class<?>> classes) throws Exception {
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final ClassLoader cld = TestRandomChains.class.getClassLoader();
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final String path = pckgname.replace('.', '/');
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final Enumeration<URL> resources = cld.getResources(path);
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while (resources.hasMoreElements()) {
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final File directory = new File(resources.nextElement().toURI());
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if (directory.exists()) {
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String[] files = directory.list();
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for (String file : files) {
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if (new File(directory, file).isDirectory()) {
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// recurse
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String subPackage = pckgname + "." + file;
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getClassesForPackage(subPackage, classes);
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}
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if (file.endsWith(".class")) {
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String clazzName = file.substring(0, file.length() - 6);
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// exclude Test classes that happen to be in these packages.
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// class.ForName'ing some of them can cause trouble.
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if (!clazzName.endsWith("Test") && !clazzName.startsWith("Test")) {
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// Don't run static initializers, as we won't use most of them.
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// Java will do that automatically once accessed/instantiated.
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classes.add(Class.forName(pckgname + '.' + clazzName, false, cld));
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}
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}
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}
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}
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}
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}
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private static interface ArgProducer {
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Object create(Random random);
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}
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@ -497,8 +526,6 @@ public class TestRandomChains extends BaseTokenStreamTestCase {
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Random random = new Random(seed);
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TokenizerSpec tokenizerspec = newTokenizer(random, reader);
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TokenFilterSpec filterspec = newFilterChain(random, tokenizerspec.tokenizer);
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//System.out.println("seed=" + seed + ",tokenizerSpec=" + tokenizerspec.toString);
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//System.out.println("seed=" + seed + ",tokenfilterSpec=" + filterspec.toString);
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return new TokenStreamComponents(tokenizerspec.tokenizer, filterspec.stream);
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}
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@ -506,7 +533,6 @@ public class TestRandomChains extends BaseTokenStreamTestCase {
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protected Reader initReader(Reader reader) {
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Random random = new Random(seed);
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CharFilterSpec charfilterspec = newCharFilterChain(random, reader);
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//System.out.println("seed=" + seed + ",charFilterSpec=" + charfilterspec.toString);
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return charfilterspec.reader;
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}
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@ -530,34 +556,46 @@ public class TestRandomChains extends BaseTokenStreamTestCase {
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return sb.toString();
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}
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private <T> T createComponent(Constructor<? extends T> ctor, Object[] args, StringBuilder descr) {
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try {
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final T instance = ctor.newInstance(args);
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if (descr.length() > 0) {
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descr.append(",");
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}
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descr.append(ctor.getDeclaringClass().getName());
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String params = Arrays.toString(args);
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params = params.substring(1, params.length()-1);
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descr.append("(").append(params).append(")");
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return instance;
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} catch (InvocationTargetException ite) {
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final Throwable cause = ite.getCause();
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if (cause instanceof IllegalArgumentException ||
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cause instanceof UnsupportedOperationException) {
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// thats ok, ignore
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if (VERBOSE) {
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System.err.println("Ignoring IAE/UOE from ctor:");
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cause.printStackTrace(System.err);
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}
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} else {
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Rethrow.rethrow(cause);
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}
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} catch (IllegalAccessException iae) {
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Rethrow.rethrow(iae);
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} catch (InstantiationException ie) {
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Rethrow.rethrow(ie);
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}
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return null; // no success
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}
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// create a new random tokenizer from classpath
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private TokenizerSpec newTokenizer(Random random, Reader reader) {
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TokenizerSpec spec = new TokenizerSpec();
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boolean success = false;
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while (!success) {
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try {
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final Constructor<? extends Tokenizer> ctor = tokenizers.get(random.nextInt(tokenizers.size()));
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final Object args[] = newTokenizerArgs(random, reader, ctor.getParameterTypes());
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spec.tokenizer = ctor.newInstance(args);
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spec.toString = ctor.getDeclaringClass().getName() + ("(" + Arrays.toString(args) + ")");
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success = true;
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} catch (InvocationTargetException ite) {
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final Throwable cause = ite.getCause();
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if (cause instanceof IllegalArgumentException ||
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cause instanceof UnsupportedOperationException) {
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// thats ok, ignore
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if (VERBOSE) {
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System.err.println("Ignoring IAE/UOE from ctor:");
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cause.printStackTrace(System.err);
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}
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} else {
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Rethrow.rethrow(cause);
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}
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} catch (IllegalAccessException iae) {
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Rethrow.rethrow(iae);
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} catch (InstantiationException ie) {
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Rethrow.rethrow(ie);
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}
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while (spec.tokenizer == null) {
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final Constructor<? extends Tokenizer> ctor = tokenizers.get(random.nextInt(tokenizers.size()));
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final StringBuilder descr = new StringBuilder();
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final Object args[] = newTokenizerArgs(random, reader, ctor.getParameterTypes());
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spec.tokenizer = createComponent(ctor, args, descr);
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spec.toString = descr.toString();
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}
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return spec;
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}
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@ -570,33 +608,12 @@ public class TestRandomChains extends BaseTokenStreamTestCase {
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for (int i = 0; i < numFilters; i++) {
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boolean success = false;
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while (!success) {
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try {
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final Constructor<? extends CharStream> ctor = charfilters.get(random.nextInt(charfilters.size()));
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final Object args[] = newCharFilterArgs(random, spec.reader, ctor.getParameterTypes());
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spec.reader = ctor.newInstance(args);
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if (descr.length() > 0) {
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descr.append(",");
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}
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descr.append(ctor.getDeclaringClass().getName());
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descr.append("(" + Arrays.toString(args) + ")");
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final Constructor<? extends CharStream> ctor = charfilters.get(random.nextInt(charfilters.size()));
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final Object args[] = newCharFilterArgs(random, spec.reader, ctor.getParameterTypes());
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reader = createComponent(ctor, args, descr);
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if (reader != null) {
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success = true;
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} catch (InvocationTargetException ite) {
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final Throwable cause = ite.getCause();
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if (cause instanceof IllegalArgumentException ||
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cause instanceof UnsupportedOperationException) {
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// thats ok, ignore
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if (VERBOSE) {
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System.err.println("Ignoring IAE/UOE from ctor:");
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cause.printStackTrace(System.err);
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}
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} else {
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Rethrow.rethrow(cause);
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}
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} catch (IllegalAccessException iae) {
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Rethrow.rethrow(iae);
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} catch (InstantiationException ie) {
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Rethrow.rethrow(ie);
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spec.reader = reader;
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}
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}
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}
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@ -612,32 +629,12 @@ public class TestRandomChains extends BaseTokenStreamTestCase {
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for (int i = 0; i < numFilters; i++) {
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boolean success = false;
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while (!success) {
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try {
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final Constructor<? extends TokenFilter> ctor = tokenfilters.get(random.nextInt(tokenfilters.size()));
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final Object args[] = newFilterArgs(random, spec.stream, ctor.getParameterTypes());
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spec.stream = ctor.newInstance(args);
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if (descr.length() > 0) {
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descr.append(",");
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}
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descr.append(ctor.getDeclaringClass().getName());
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descr.append("(" + Arrays.toString(args) + ")");
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final Constructor<? extends TokenFilter> ctor = tokenfilters.get(random.nextInt(tokenfilters.size()));
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final Object args[] = newFilterArgs(random, spec.stream, ctor.getParameterTypes());
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final TokenFilter flt = createComponent(ctor, args, descr);
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if (flt != null) {
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success = true;
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} catch (InvocationTargetException ite) {
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final Throwable cause = ite.getCause();
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if (cause instanceof IllegalArgumentException ||
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cause instanceof UnsupportedOperationException) {
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// thats ok, ignore
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if (VERBOSE) {
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System.err.println("Ignoring IAE/UOE from ctor:");
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cause.printStackTrace(System.err);
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}
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} else {
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Rethrow.rethrow(cause);
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}
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} catch (IllegalAccessException iae) {
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Rethrow.rethrow(iae);
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} catch (InstantiationException ie) {
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Rethrow.rethrow(ie);
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spec.stream = flt;
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}
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}
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}
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@ -676,33 +673,4 @@ public class TestRandomChains extends BaseTokenStreamTestCase {
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}
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}
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}
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private static void getClassesForPackage(String pckgname, List<Class<?>> classes) throws Exception {
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final ClassLoader cld = TestRandomChains.class.getClassLoader();
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final String path = pckgname.replace('.', '/');
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final Enumeration<URL> resources = cld.getResources(path);
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while (resources.hasMoreElements()) {
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final File directory = new File(resources.nextElement().toURI());
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if (directory.exists()) {
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String[] files = directory.list();
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for (String file : files) {
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if (new File(directory, file).isDirectory()) {
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// recurse
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String subPackage = pckgname + "." + file;
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getClassesForPackage(subPackage, classes);
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}
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if (file.endsWith(".class")) {
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String clazzName = file.substring(0, file.length() - 6);
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// exclude Test classes that happen to be in these packages.
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// class.ForName'ing some of them can cause trouble.
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if (!clazzName.endsWith("Test") && !clazzName.startsWith("Test")) {
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// Don't run static initializers, as we won't use most of them.
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// Java will do that automatically once accessed/instantiated.
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classes.add(Class.forName(pckgname + '.' + clazzName, false, cld));
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}
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}
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}
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}
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}
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}
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}
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