/*
* Copyright 2002-2017 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.springframework.mock.web;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collection;
import javax.servlet.http.Part;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.util.Assert;
import org.springframework.util.FileCopyUtils;
/**
* Mock implementation of {@code javax.servlet.http.Part}.
*
* @author Rossen Stoyanchev
* @since 5.0
*/
public class MockPart implements Part {
private final String name;
private final String filename;
private final byte[] content;
private final HttpHeaders headers = new HttpHeaders();
/**
* Constructor for a part with byte[] content only.
*/
public MockPart(String name, byte[] content) {
this(name, null, content);
}
/**
* Constructor for a part with a filename.
*/
public MockPart(String name, String filename, InputStream content) throws IOException {
this(name, filename, FileCopyUtils.copyToByteArray(content));
}
/**
* Constructor for a part with byte[] content only.
* @see #getHeaders()
*/
private MockPart(String name, String filename, byte[] content) {
Assert.hasLength(name, "Name must not be null");
this.name = name;
this.filename = filename;
this.content = (content != null ? content : new byte[0]);
this.headers.setContentDispositionFormData(name, filename);
}
@Override
public String getName() {
return this.name;
}
@Override
public String getSubmittedFileName() {
return this.filename;
}
@Override
public String getContentType() {
MediaType contentType = this.headers.getContentType();
return (contentType != null ? contentType.toString() : null);
}
@Override
public long getSize() {
return this.content.length;
}
@Override
public InputStream getInputStream() throws IOException {
return new ByteArrayInputStream(this.content);
}
@Override
public String getHeader(String name) {
return this.headers.getFirst(name);
}
@Override
public Collection<String> getHeaders(String name) {
return this.headers.get(name);
}
@Override
public Collection<String> getHeaderNames() {
return this.headers.keySet();
}
/**
* Return the {@link HttpHeaders} backing header related accessor methods.
*/
public HttpHeaders getHeaders() {
return this.headers;
}
@Override
public void write(String fileName) throws IOException {
throw new UnsupportedOperationException();
}
@Override
public void delete() throws IOException {
throw new UnsupportedOperationException();
}
}