[jboss-svn-commits] JBoss Common SVN: r2162 - in common-core/trunk: . src src/main/java/org/jboss/util src/main/java/org/jboss/util/propertyeditor src/test src/test/java src/test/java/org src/test/java/org/jboss src/test/java/org/jboss/test src/test/java/org/jboss/test/util src/test/java/org/jboss/test/util/test
jboss-svn-commits at lists.jboss.org
jboss-svn-commits at lists.jboss.org
Sun Nov 19 02:54:40 EST 2006
Author: scott.stark at jboss.org
Date: 2006-11-19 02:54:34 -0500 (Sun, 19 Nov 2006)
New Revision: 2162
Added:
common-core/trunk/src/test/
common-core/trunk/src/test/java/
common-core/trunk/src/test/java/org/
common-core/trunk/src/test/java/org/jboss/
common-core/trunk/src/test/java/org/jboss/test/
common-core/trunk/src/test/java/org/jboss/test/util/
common-core/trunk/src/test/java/org/jboss/test/util/test/
common-core/trunk/src/test/java/org/jboss/test/util/test/PropertyEditorsUnitTestCase.java
Modified:
common-core/trunk/.classpath
common-core/trunk/src/main/java/org/jboss/util/Strings.java
common-core/trunk/src/main/java/org/jboss/util/propertyeditor/URIEditor.java
Log:
Deal with file uris that have spaces
Modified: common-core/trunk/.classpath
===================================================================
--- common-core/trunk/.classpath 2006-11-16 15:38:02 UTC (rev 2161)
+++ common-core/trunk/.classpath 2006-11-19 07:54:34 UTC (rev 2162)
@@ -1,13 +1,14 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
- <classpathentry kind="src" path="src/main/java"/>
- <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
- <classpathentry kind="var" path="M2_REPO/apache-xerces/xml-apis/2.7.1/xml-apis-2.7.1.jar"/>
- <classpathentry kind="var" path="M2_REPO/apache-slide/webdavlib/2.0/webdavlib-2.0.jar"/>
- <classpathentry kind="var" path="M2_REPO/junit/junit/3.8.1/junit-3.8.1.jar"/>
- <classpathentry kind="var" path="M2_REPO/oswego-concurrent/concurrent/1.3.4/concurrent-1.3.4.jar"/>
- <classpathentry kind="var" path="M2_REPO/apache-httpclient/commons-httpclient/2.0.2/commons-httpclient-2.0.2.jar"/>
- <classpathentry kind="var" path="M2_REPO/apache-log4j/log4j/1.2.8/log4j-1.2.8.jar"/>
- <classpathentry combineaccessrules="false" kind="src" path="/common-logging-spi"/>
- <classpathentry kind="output" path="target/eclipse-classes"/>
-</classpath>
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+ <classpathentry kind="src" path="src/main/java"/>
+ <classpathentry kind="src" output="target/eclipse-test-classes" path="src/test/java"/>
+ <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+ <classpathentry kind="var" path="M2_REPO/apache-xerces/xml-apis/2.7.1/xml-apis-2.7.1.jar"/>
+ <classpathentry kind="var" path="M2_REPO/apache-slide/webdavlib/2.0/webdavlib-2.0.jar"/>
+ <classpathentry kind="var" path="M2_REPO/junit/junit/3.8.1/junit-3.8.1.jar"/>
+ <classpathentry kind="var" path="M2_REPO/oswego-concurrent/concurrent/1.3.4/concurrent-1.3.4.jar"/>
+ <classpathentry kind="var" path="M2_REPO/apache-httpclient/commons-httpclient/2.0.2/commons-httpclient-2.0.2.jar"/>
+ <classpathentry kind="var" path="M2_REPO/apache-log4j/log4j/1.2.8/log4j-1.2.8.jar"/>
+ <classpathentry combineaccessrules="false" kind="src" path="/common-logging-spi"/>
+ <classpathentry kind="output" path="target/eclipse-classes"/>
+</classpath>
Modified: common-core/trunk/src/main/java/org/jboss/util/Strings.java
===================================================================
--- common-core/trunk/src/main/java/org/jboss/util/Strings.java 2006-11-16 15:38:02 UTC (rev 2161)
+++ common-core/trunk/src/main/java/org/jboss/util/Strings.java 2006-11-19 07:54:34 UTC (rev 2162)
@@ -24,7 +24,10 @@
import java.io.File;
import java.io.IOException;
import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
import java.net.URL;
+import java.net.URLEncoder;
import java.util.Map;
/**
@@ -812,6 +815,25 @@
return url;
}
+ public static URI toURI(String urispec, final String relativePrefix)
+ throws URISyntaxException
+ {
+ urispec = urispec.trim();
+
+ URI uri;
+
+ if( urispec.startsWith("file:") )
+ {
+ uri = makeURIFromFilespec(urispec.substring(5), relativePrefix);
+ }
+ else
+ {
+ uri = new URI(urispec);
+ }
+
+ return uri;
+ }
+
/** A helper to make a URL from a filespec. */
private static URL makeURLFromFilespec(final String filespec, final String relativePrefix)
throws IOException
@@ -830,6 +852,19 @@
return file.toURL();
}
+ private static URI makeURIFromFilespec(final String filespec, final String relativePrefix)
+ {
+ // make sure the file is absolute & canonical file url
+ File file = new File(filespec);
+
+ // if we have a prefix and the file is not abs then prepend
+ if (relativePrefix != null && !file.isAbsolute())
+ {
+ file = new File(relativePrefix, filespec);
+ }
+
+ return file.toURI();
+ }
/**
* Make a URL from the given string.
@@ -847,6 +882,18 @@
}
/**
+ *
+ * @param urispec
+ * @return
+ * @throws MalformedURLException
+ */
+ public static URI toURI(final String urispec)
+ throws URISyntaxException
+ {
+ return toURI(urispec, null);
+ }
+
+ /**
* Check whether the given String is a reserved Java Keyword
* according to the Java Language Specifications.
*
Modified: common-core/trunk/src/main/java/org/jboss/util/propertyeditor/URIEditor.java
===================================================================
--- common-core/trunk/src/main/java/org/jboss/util/propertyeditor/URIEditor.java 2006-11-16 15:38:02 UTC (rev 2161)
+++ common-core/trunk/src/main/java/org/jboss/util/propertyeditor/URIEditor.java 2006-11-19 07:54:34 UTC (rev 2162)
@@ -25,6 +25,7 @@
import java.net.URISyntaxException;
import org.jboss.util.NestedRuntimeException;
+import org.jboss.util.Strings;
/**
* A property editor for {@link java.net.URI}.
@@ -45,8 +46,7 @@
{
try
{
- // TODO - more strict checking, like URLEditor
- return new URI(getAsText());
+ return Strings.toURI(getAsText());
}
catch (URISyntaxException e)
{
Added: common-core/trunk/src/test/java/org/jboss/test/util/test/PropertyEditorsUnitTestCase.java
===================================================================
--- common-core/trunk/src/test/java/org/jboss/test/util/test/PropertyEditorsUnitTestCase.java 2006-11-16 15:38:02 UTC (rev 2161)
+++ common-core/trunk/src/test/java/org/jboss/test/util/test/PropertyEditorsUnitTestCase.java 2006-11-19 07:54:34 UTC (rev 2162)
@@ -0,0 +1,442 @@
+package org.jboss.test.util.test;
+
+import java.beans.PropertyEditor;
+import java.beans.PropertyEditorManager;
+import java.io.File;
+import java.net.InetAddress;
+import java.net.URI;
+import java.net.URL;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.Comparator;
+import java.util.Date;
+import java.util.Locale;
+import java.util.Properties;
+import java.util.TimeZone;
+
+import org.jboss.logging.Logger;
+import org.jboss.util.propertyeditor.DateEditor;
+import org.jboss.util.propertyeditor.DocumentEditor;
+import org.jboss.util.propertyeditor.ElementEditor;
+import org.jboss.util.propertyeditor.PropertyEditors;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import junit.framework.TestCase;
+
+/**
+ * Unit tests for the custom JBoss property editors
+ *
+ * @see org.jboss.util.propertyeditor.PropertyEditors
+ *
+ * @author Scott.Stark at jboss.org
+ * @author Dimitris.Andreadis at jboss.org
+ * @version $Revision: 43534 $
+ */
+public class PropertyEditorsUnitTestCase extends TestCase
+{
+ private static Logger log = Logger.getLogger(PropertyEditorsUnitTestCase.class);
+ Calendar calendar = Calendar.getInstance();
+
+ /** Augment the PropertyEditorManager search path to incorporate the JBoss
+ specific editors. This simply references the PropertyEditors.class to
+ invoke its static initialization block.
+ */
+ static
+ {
+ PropertyEditors.init();
+ String[] paths = PropertyEditorManager.getEditorSearchPath();
+ log.info(Arrays.asList(paths));
+ }
+
+ static class StringArrayComparator implements Comparator
+ {
+ public int compare(Object o1, Object o2)
+ {
+ String[] a1 = (String[]) o1;
+ String[] a2 = (String[]) o2;
+ int compare = a1.length - a2.length;
+ for(int n = 0; n < a1.length; n ++)
+ compare += a1[n].compareTo(a2[n]);
+ return compare;
+ }
+ }
+ static class ClassArrayComparator implements Comparator
+ {
+ public int compare(Object o1, Object o2)
+ {
+ Class[] a1 = (Class[]) o1;
+ Class[] a2 = (Class[]) o2;
+ int compare = a1.length - a2.length;
+ for(int n = 0; n < a1.length; n ++)
+ {
+ int hash1 = a1[n].hashCode();
+ int hash2 = a2[n].hashCode();
+ compare += hash1 - hash2;
+ }
+ return compare;
+ }
+ }
+ static class IntArrayComparator implements Comparator
+ {
+ public int compare(Object o1, Object o2)
+ {
+ int[] a1 = (int[]) o1;
+ int[] a2 = (int[]) o2;
+ int compare = a1.length - a2.length;
+ for(int n = 0; n < a1.length; n ++)
+ compare += a1[n] - a2[n];
+ return compare;
+ }
+ }
+
+ public PropertyEditorsUnitTestCase(String name)
+ {
+ super(name);
+ }
+
+ public void testEditorSearchPath()
+ throws Exception
+ {
+ log.debug("+++ testEditorSearchPath");
+ String[] searchPath = PropertyEditorManager.getEditorSearchPath();
+ boolean foundJBossPath = false;
+ for(int p = 0; p < searchPath.length; p ++)
+ {
+ String path = searchPath[p];
+ log.debug("path["+p+"]="+path);
+ foundJBossPath |= path.equals("org.jboss.util.propertyeditor");
+ }
+ assertTrue("Found org.jboss.util.propertyeditor in search path", foundJBossPath);
+ }
+
+ /** The mechanism for mapping java.lang.* variants of the primative types
+ misses editors for java.lang.Boolean and java.lang.Integer. Here we test
+ the java.lang.* variants we expect editors for.
+ **/
+ public void testJavaLangEditors()
+ throws Exception
+ {
+ log.debug("+++ testJavaLangEditors");
+ // The supported java.lang.* types
+ Class[] types = {
+ Boolean.class,
+ Byte.class,
+ Short.class,
+ Integer.class,
+ Long.class,
+ Float.class,
+ Double.class,
+ Byte.class,
+ Character.class,
+ };
+ // The input string data for each type
+ String[][] inputData = {
+ {"true", "false", "TRUE", "FALSE", "tRuE", "FaLsE", null},
+ {"1", "-1", "0", "0x1A"},
+ {"1", "-1", "0", "0xA0"},
+ {"1", "-1", "0", "0xA0"},
+ {"1", "-1", "0", "1000"},
+ {"1", "-1", "0", "1000.1"},
+ {"1", "-1", "0", "1000.1"},
+ {"0x1", "-#1", "0"},
+ {"A", "a", "Z", "z"},
+ };
+ // The expected java.lang.* instance for each inputData value
+ Object[][] expectedData = {
+ {Boolean.TRUE, Boolean.FALSE, Boolean.TRUE, Boolean.FALSE, Boolean.TRUE, Boolean.FALSE, null},
+ {Byte.valueOf("1"), Byte.valueOf("-1"), Byte.valueOf("0"), Byte.decode("0x1A")},
+ {Short.valueOf("1"), Short.valueOf("-1"), Short.valueOf("0"), Short.decode("0xA0")},
+ {Integer.valueOf("1"), Integer.valueOf("-1"), Integer.valueOf("0"), Integer.decode("0xA0")},
+ {Long.valueOf("1"), Long.valueOf("-1"), Long.valueOf("0"), Long.valueOf("1000")},
+ {Float.valueOf("1"), Float.valueOf("-1"), Float.valueOf("0"), Float.valueOf("1000.1")},
+ {Double.valueOf("1"), Double.valueOf("-1"), Double.valueOf("0"), Double.valueOf("1000.1")},
+ {Byte.valueOf("1"), Byte.valueOf("-1"), Byte.valueOf("0")},
+ {new Character('A'), new Character('a'), new Character('Z'), new Character('z')},
+ };
+ // The expected string output from getAsText()
+ String[][] expectedStringData = {
+ {"true", "false", "true", "false", "true", "false", "null"},
+ {"1", "-1", "0", "26"},
+ {"1", "-1", "0", "160"},
+ {"1", "-1", "0", "160"},
+ {"1", "-1", "0", "1000"},
+ {"1.0", "-1.0", "0.0", "1000.1"},
+ {"1.0", "-1.0", "0.0", "1000.1"},
+ {"1", "-1", "0"},
+ {"A", "a", "Z", "z"},
+ };
+ Comparator[] comparators = new Comparator[types.length];
+
+ doTests(types, inputData, expectedData, expectedStringData, comparators);
+ }
+
+ /** Test custom JBoss property editors.
+ **/
+ public void testJBossEditors()
+ throws Exception
+ {
+ log.debug("+++ testJBossEditors");
+ Class[] types = {
+ java.io.File.class,
+ java.net.URL.class,
+ java.net.URI.class,
+ java.lang.String.class,
+ java.lang.Class.class,
+ InetAddress.class,
+ String[].class,
+ Class[].class,
+ int[].class,
+ Date.class,
+ java.util.Properties.class,
+ };
+ // The input string data for each type
+ String[][] inputData = {
+ // java.io.File.class
+ {"/tmp/test1", "/tmp/subdir/../test2"},
+ // java.net.URL.class
+ {"http://www.jboss.org", "file:/path with space/tst.xml"},
+ // java.net.URI.class
+ {"http://www.jboss.org", "file:/path with space/tst.xml"},
+ // java.lang.String.class
+ {"JBoss, Home of Professional Open Source"},
+ // java.lang.Class.class
+ {"java.util.Arrays"},
+ // InetAddress.class, localhost must be defined for this to work
+ {"127.0.0.1", "localhost"},
+ // String[].class
+ {"1,2,3", "a,b,c", "", "#,%,\\,,.,_$,\\,v"},
+ // Class[].class
+ {"java.lang.Integer,java.lang.Float"},
+ // int[].class
+ {"0,#123,-123"},
+ // Date.class
+ {"Jan 4, 2005", "Tue Jan 4 23:38:21 PST 2005", "Tue, 04 Jan 2005 23:38:48 -0800"},
+ // java.util.Properties.class
+ {"prop1=value1\nprop2=value2\nprop3=value3\nprop32=${prop3}\nprop4=${user.home}\nprop5=${some.win32.path}"},
+ };
+ // The expected instance for each inputData value
+ calendar.set(2005, 0, 4, 0, 0, 0);
+ calendar.set(Calendar.MILLISECOND, 0);
+ Date date1 = calendar.getTime();
+ calendar.setTimeZone(TimeZone.getTimeZone("PST"));
+ calendar.set(2005, 0, 4, 23, 38, 21);
+ Date date2 = calendar.getTime();
+ calendar.set(2005, 0, 4, 23, 38, 48);
+ Date date3 = calendar.getTime();
+ Properties props = new Properties();
+ props.setProperty("prop1", "value1");
+ props.setProperty("prop2", "value2");
+ props.setProperty("prop3", "value3");
+ props.setProperty("prop32", "value3");
+ props.setProperty("prop4", System.getProperty("user.home"));
+ System.setProperty("some.win32.path", "C:\\disk1\\root\\");
+ props.setProperty("prop5", "C:\\disk1\\root\\");
+ Object[][] expectedData = {
+ {new File("/tmp/test1").getCanonicalFile(), new File("/tmp/test2").getCanonicalFile()},
+ {new URL("http://www.jboss.org"), new URL("file:/path with space/tst.xml")},
+ {new URI("http://www.jboss.org"), new URI("file:/path%20with%20space/tst.xml")},
+ {new String("JBoss, Home of Professional Open Source")},
+ {java.util.Arrays.class},
+ {InetAddress.getByName("127.0.0.1"), InetAddress.getByName("localhost")},
+ {new String[]{"1", "2", "3"}, new String[] {"a", "b", "c"},
+ new String[]{}, new String[]{"#","%",",",".","_$", ",v"}},
+ {new Class[]{Integer.class, Float.class}},
+ {new int[]{0, 0x123, -123}},
+ {date1, date2, date3},
+ {props},
+ };
+ // The expected string output from getAsText()
+ String[][] expectedStringData = {
+ // java.io.File.class
+ {"/tmp/test1", "/tmp/subdir/../test2"},
+ // java.net.URL.class
+ {"http://www.jboss.org", "file:/path with space/tst.xml"},
+ // java.net.URI.class
+ {"http://www.jboss.org", "file:/path with space/tst.xml"},
+ // java.lang.String.class
+ {"JBoss, Home of Professional Open Source"},
+ // java.lang.Class.class
+ {"java.util.Arrays"},
+ // InetAddress.class, localhost must be defined for this to work
+ {"127.0.0.1", "localhost"},
+ // String[].class
+ {"1,2,3", "a,b,c", "", "#,%,\\,,.,_$,,v"},
+ // Class[].class
+ {"java.lang.Integer,java.lang.Float"},
+ // int[].class
+ {"0,291,-123"},
+ // Date.class
+ {"Jan 4, 2005", "Tue Jan 4 23:38:21 PST 2005", "Tue, 04 Jan 2005 23:38:48 -0800"},
+ // java.util.Properties.class
+ {props.toString()},
+ };
+ // The Comparator for non-trival types
+ Comparator[] comparators = {
+ null, // File
+ null, // URL
+ null, // URI
+ null, // String
+ null, // Class
+ null, // InetAddress
+ new StringArrayComparator(), // String[]
+ new ClassArrayComparator(), // Class[]
+ new IntArrayComparator(), // int[]
+ null, // Date
+ null, // Properties
+ };
+
+ doTests(types, inputData, expectedData, expectedStringData, comparators);
+ }
+
+ public void testDateEditor() throws Exception
+ {
+ log.debug("+++ testDateEditor");
+
+ Locale locale = Locale.getDefault();
+
+ try
+ {
+ // Use the default locale
+ log.debug("Current Locale: " + Locale.getDefault());
+
+ // An important date
+ String text = "Fri, 25 Jun 1971 00:30:00 +0200";
+ DateFormat format = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z");
+ Date date = format.parse(text);
+
+ PropertyEditor editor = new DateEditor();
+ editor.setAsText(text);
+ log.debug("setAsText('" + text + "') --> getValue() = '" + editor.getValue() + "'");
+ assertTrue("Compare date1: " + date + ", date2: " + editor.getValue(),
+ date.compareTo((Date)editor.getValue()) == 0);
+
+ editor.setValue(date);
+ log.debug("setValue('" + date + "') --> getAsText() - '" + editor.getAsText() + "'");
+ Date date2 = format.parse(editor.getAsText());
+ assertTrue("Compare date1: " + date + ", date2: " + date2,
+ date.compareTo(date2) == 0);
+
+ // Try in French
+ Locale.setDefault(Locale.FRENCH);
+ log.debug("Current Locale: " + Locale.getDefault());
+ DateEditor.initialize();
+
+ // An important date
+ text = "ven., 25 juin 1971 00:30:00 +0200";
+ format = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z");
+ date = format.parse(text);
+
+ editor = new DateEditor();
+ editor.setAsText(text);
+ log.debug("setAsText('" + text + "') --> getValue() = '" + editor.getValue() + "'");
+ assertTrue("Compare date1: " + date + ", date2: " + editor.getValue(),
+ date.compareTo((Date)editor.getValue()) == 0);
+
+ editor.setValue(date);
+ log.debug("setValue('" + date + "') --> getAsText() = '" + editor.getAsText() + "'");
+ date2 = format.parse(editor.getAsText());
+ assertTrue("Compare date1: " + date + ", date2: " + date2,
+ date.compareTo(date2) == 0);
+ }
+ finally
+ {
+ // reset locale
+ Locale.setDefault(locale);
+ DateEditor.initialize();
+ }
+ }
+
+ /**
+ * Tests the DOM Document and Element editors.
+ */
+ public void testDocumentElementEditors()
+ {
+ log.debug("+++ testDocumentElementEditors");
+ DocumentEditor de = new DocumentEditor();
+ // Comments can appear outside of a document
+ String s = "<!-- header comment --><doc name='whatever'/><!-- footer comment -->";
+ log.debug("setAsText '" + s + "'");
+ de.setAsText(s);
+ log.debug("Parsed XML document:");
+ log((Node)de.getValue(), " ");
+ log.debug("getAsText '" + de.getAsText() + "'");
+ assertTrue("Document :\n" + de.getAsText(), de.getAsText().trim().endsWith(s));
+ assertTrue(de.getValue() instanceof org.w3c.dom.Document);
+ // Test whitespace preservation
+ s = "<element>\n\n<e2/> testing\n\n</element>";
+ de.setAsText(s);
+ assertTrue("Document :\n" + de.getAsText() + "\nvs\n" + s, de.getAsText().trim().endsWith(s));
+
+ ElementEditor ee = new ElementEditor();
+ s = "<element>text</element>";
+ ee.setAsText(s);
+ assertEquals(s, ee.getAsText());
+ assertTrue(ee.getValue() instanceof org.w3c.dom.Element);
+ }
+
+ private void doTests(Class[] types, String[][] inputData, Object[][] expectedData,
+ String[][] expectedStringData, Comparator[] comparators)
+ {
+ for(int t = 0; t < types.length; t ++)
+ {
+ Class type = types[t];
+ log.debug("Checking property editor for: "+type);
+ PropertyEditor editor = PropertyEditorManager.findEditor(type);
+ assertTrue("Found property editor for: "+type, editor != null);
+ log.debug("Found property editor for: "+type+", editor="+editor.getClass().getName());
+ assertEquals(editor+" input length", inputData[t].length, expectedData[t].length);
+ for(int i = 0; i < inputData[t].length; i ++)
+ {
+ String input = inputData[t][i];
+ editor.setAsText(input);
+ Object expected = expectedData[t][i];
+ Object output = editor.getValue();
+ Comparator c = comparators[t];
+ boolean equals = false;
+ if (c == null)
+ {
+ equals = output != null ? output.equals(expected) : expected == null;
+ }
+ else
+ {
+ equals = c.compare(output, expected) == 0;
+ }
+ if( equals == false )
+ System.err.println(output+" != "+input);
+ assertTrue("Transform("+editor+") of "+input+" equals "+expected+", output="+output, equals);
+
+ String expectedStringOutput = expectedStringData[t][i];
+ String stringOutput = editor.getAsText();
+ log.debug("setAsText '" + logString(input) + "'");
+ log.debug("getAsText '" + logString(stringOutput) + "'");
+ if( type != Properties.class )
+ {
+ // We can't meaningfully compare the PropertiesEditor string output
+ String msg = "PropertyEditor: " + editor.getClass().getName() + ", getAsText() == expectedStringOutput '";
+ assertEquals(msg, expectedStringOutput, stringOutput);
+ }
+ }
+ }
+ }
+
+ /**
+ * Log a Node hierarchy
+ */
+ private void log(Node node, String indent)
+ {
+ String name = node.getNodeName();
+ String value = node.getNodeValue();
+ log.debug(indent + "Name=" + name + ", Value=" + value);
+ NodeList list = node.getChildNodes();
+ for (int i = 0; i < list.getLength(); i++)
+ log(list.item(i), indent + indent);
+ }
+
+ private static String logString(String s)
+ {
+ return s != null ? s : "<null>";
+ }
+}
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