/*
* Copyright 2012 the original author or authors.
*
* Licensed 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.gradle.internal.resource.transport.http;
import org.gradle.api.resources.ResourceException;
import org.gradle.internal.resource.ResourceExceptions;
import org.gradle.internal.resource.transfer.ExternalResourceLister;
import org.gradle.internal.resource.transfer.ExternalResourceReadResponse;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.util.List;
public class HttpResourceLister implements ExternalResourceLister {
private HttpResourceAccessor accessor;
public HttpResourceLister(HttpResourceAccessor accessor) {
this.accessor = accessor;
}
public List<String> list(final URI directory) {
final ExternalResourceReadResponse response = accessor.openResource(directory, true);
if (response == null) {
return null;
}
try {
try {
String contentType = response.getMetaData().getContentType();
ApacheDirectoryListingParser directoryListingParser = new ApacheDirectoryListingParser();
InputStream inputStream = response.openStream();
try {
return directoryListingParser.parse(directory, inputStream, contentType);
} catch (Exception e) {
throw new ResourceException(directory, String.format("Unable to parse HTTP directory listing for '%s'.", directory), e);
}
} finally {
response.close();
}
} catch (IOException e) {
throw ResourceExceptions.getFailed(directory, e);
}
}
}