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RqMtSmart.java
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RqMtSmart.java
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/**
* The MIT License (MIT)
*
* Copyright (c) 2014-2018 Yegor Bugayenko
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.takes.rq.multipart;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.util.Iterator;
import org.takes.HttpException;
import org.takes.Request;
import org.takes.rq.RqMultipart;
/**
* Smart decorator.
* @author Nicolas Filotto (nicolas.filotto@gmail.com)
* @version $Id$
* @since 0.33
*/
public final class RqMtSmart implements RqMultipart {
/**
* Original request.
*/
private final RqMultipart origin;
/**
* Ctor.
* @param req Original
* @throws IOException If fails
*/
public RqMtSmart(final Request req) throws IOException {
this(new RqMtBase(req));
}
/**
* Ctor.
* @param req Original
*/
public RqMtSmart(final RqMultipart req) {
this.origin = req;
}
/**
* Get single part.
* @param name Name of the part to get
* @return Part
* @throws HttpException If fails
*/
public Request single(final CharSequence name) throws HttpException {
final Iterator<Request> parts = this.part(name).iterator();
if (!parts.hasNext()) {
throw new HttpException(
HttpURLConnection.HTTP_BAD_REQUEST,
String.format(
"form param \"%s\" is mandatory", name
)
);
}
return parts.next();
}
@Override
public Iterable<Request> part(final CharSequence name) {
return this.origin.part(name);
}
@Override
public Iterable<String> names() {
return this.origin.names();
}
@Override
public Iterable<String> head() throws IOException {
return this.origin.head();
}
@Override
public InputStream body() throws IOException {
return this.origin.body();
}
}