143 lines
4.5 KiB
Java
143 lines
4.5 KiB
Java
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2015 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.simplerestapi.http.mime;
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import android.support.annotation.NonNull;
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import android.util.Pair;
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import org.mariotaku.simplerestapi.Utils;
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import org.mariotaku.simplerestapi.http.ContentType;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.UUID;
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/**
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* Created by mariotaku on 15/5/5.
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*/
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public class MultipartTypedBody implements TypedData {
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private final List<Pair<String, TypedData>> parts;
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private final ContentType contentType;
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private static final byte[] COLONSPACE = {':', ' '};
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private static final byte[] CRLF = {'\r', '\n'};
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private static final byte[] DASHDASH = {'-', '-'};
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private final String boundary;
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private boolean lengthSet;
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private long length;
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public MultipartTypedBody(List<Pair<String, TypedData>> parts) {
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this.parts = parts;
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this.contentType = ContentType.parse("multipart/form-data");
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boundary = Utils.bytesToHex(UUID.randomUUID().toString().getBytes());
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contentType.addParameter("boundary", boundary);
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}
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public MultipartTypedBody() {
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this(new ArrayList<Pair<String, TypedData>>());
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}
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public void add(@NonNull String name, @NonNull TypedData data) {
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parts.add(Pair.create(name, data));
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}
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@Override
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public ContentType contentType() {
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return contentType;
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}
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@Override
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public String contentEncoding() {
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return null;
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}
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@Override
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public long length() throws IOException {
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if (!lengthSet) {
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length = 0;
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for (Pair<String, TypedData> part : parts) {
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length += part.second.length();
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}
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lengthSet = true;
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}
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return length;
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}
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@Override
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public void writeTo(@NonNull OutputStream os) throws IOException {
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for (Pair<String, TypedData> part : parts) {
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os.write(DASHDASH);
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os.write(boundary.getBytes());
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os.write(CRLF);
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final ContentType contentDisposition = new ContentType("form-data").parameter("name", part.first);
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final ContentType contentType = part.second.contentType();
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final long contentLength = part.second.length();
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if (part.second instanceof FileTypedData) {
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contentDisposition.addParameter("filename", ((FileTypedData) part.second).fileName());
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}
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os.write("Content-Disposition".getBytes());
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os.write(COLONSPACE);
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os.write(contentDisposition.toHeader().getBytes());
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os.write(CRLF);
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if (contentType != null) {
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os.write("Content-Type".getBytes());
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os.write(COLONSPACE);
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os.write(contentType.toHeader().getBytes());
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os.write(CRLF);
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}
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if (contentLength != -1) {
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os.write("Content-Length".getBytes());
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os.write(COLONSPACE);
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os.write(String.valueOf(contentLength).getBytes());
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os.write(CRLF);
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}
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os.write(CRLF);
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part.second.writeTo(os);
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os.write(CRLF);
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}
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os.write(DASHDASH);
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os.write(boundary.getBytes());
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os.write(DASHDASH);
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os.write(CRLF);
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}
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@NonNull
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@Override
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public InputStream stream() throws IOException {
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final ByteArrayOutputStream os = new ByteArrayOutputStream();
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writeTo(os);
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return new ByteArrayInputStream(os.toByteArray());
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}
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@Override
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public void close() throws IOException {
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for (Pair<String, TypedData> part : parts) {
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part.second.close();
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}
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}
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}
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