/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.wicket.util.resource;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.Arrays;
import org.apache.wicket.util.file.Path;
import org.apache.wicket.util.tester.WicketTestCase;
import org.junit.Test;
public class PathTest extends WicketTestCase
{
@Test
public void loadFromRootUsingSubpathInFilename() throws Exception
{
final String contents = PathTest.class.getName() + ": loaded from root";
final File file = createTempFile(contents);
final File root = findRoot(file);
final Path path = new Path(root.getCanonicalPath());
String relative = root.toURI().relativize(file.toURI()).getPath();
IResourceStream rs = path.find(PathTest.class, relative);
assertNotNull(rs);
assertContents(contents, rs);
}
public static void assertContents(String expectedContents, IResourceStream rs)
throws ResourceStreamNotFoundException, IOException
{
InputStream in = rs.getInputStream();
try
{
final byte[] expectedBytes = expectedContents.getBytes(Charset.defaultCharset());
final int expectedLength = expectedBytes.length;
byte[] buf = new byte[expectedLength * 2];
int read = in.read(buf, 0, buf.length);
assertEquals("contents do not match", expectedLength, read);
byte[] buf2 = new byte[expectedLength];
System.arraycopy(buf, 0, buf2, 0, expectedLength);
assertTrue("contents do not match", Arrays.equals(expectedBytes, buf2));
}
finally
{
in.close();
}
}
@Test
public void loadFilenameFromPath() throws Exception
{
final String contents = PathTest.class.getName() + ": loaded from prefix";
final File file = createTempFile(contents);
final File parent = file.getParentFile();
final Path path = new Path(parent.getCanonicalPath());
IResourceStream rs = path.find(PathTest.class, file.getName());
assertNotNull(rs);
assertContents(contents, rs);
}
public static File createTempFile(String contents) throws IOException
{
FileOutputStream out = null;
try
{
File tmp = File.createTempFile("temp", "temp");
tmp.deleteOnExit();
out = new FileOutputStream(tmp);
out.write(contents.getBytes(Charset.defaultCharset()));
return tmp;
}
finally
{
if (out != null)
{
out.close();
}
}
}
public static File findRoot(File file)
{
final File parent = file.getParentFile();
if (parent == null)
{
return file;
}
else
{
return findRoot(parent);
}
}
}