/*
* 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.syncope.client.console.commons;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.apache.commons.lang3.StringUtils;
import org.apache.wicket.util.lang.Bytes;
import org.apache.wicket.util.resource.AbstractResourceStream;
import org.apache.wicket.util.resource.IFixedLocationResourceStream;
import org.apache.wicket.util.resource.ResourceStreamNotFoundException;
public class HttpResourceStream extends AbstractResourceStream implements IFixedLocationResourceStream {
private static final long serialVersionUID = 5811207817876330189L;
private transient InputStream inputStream;
private String contentType;
private String location;
private String filename;
public HttpResourceStream(final Response response) {
super();
Object entity = response.getEntity();
if (response.getStatusInfo().getStatusCode() == Response.Status.OK.getStatusCode()
&& (entity instanceof InputStream)) {
this.inputStream = (InputStream) entity;
this.contentType = response.getHeaderString(HttpHeaders.CONTENT_TYPE);
this.location = response.getLocation() == null ? null : response.getLocation().toASCIIString();
String contentDisposition = response.getHeaderString(HttpHeaders.CONTENT_DISPOSITION);
if (StringUtils.isNotBlank(contentDisposition)) {
String[] splitted = contentDisposition.split("=");
if (splitted != null && splitted.length > 1) {
this.filename = splitted[1].trim();
}
}
}
}
@Override
public InputStream getInputStream()
throws ResourceStreamNotFoundException {
return inputStream == null
? new ByteArrayInputStream(new byte[0])
: inputStream;
}
@Override
public Bytes length() {
return inputStream == null
? Bytes.bytes(0)
: null;
}
@Override
public void close() throws IOException {
// No need for explict closing
}
@Override
public String locationAsString() {
return location;
}
@Override
public String getContentType() {
return contentType == null
? MediaType.APPLICATION_OCTET_STREAM
: contentType;
}
public String getFilename() {
return filename;
}
}