1 files changed, 207 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/mime/MultipartEntityBuilder.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/mime/MultipartEntityBuilder.java
new file mode 100644
index 000000000..5074001d7
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+++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/mime/MultipartEntityBuilder.java
@@ -0,0 +1,207 @@
+/*
+ * ====================================================================
+ * 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package ch.boye.httpclientandroidlib.entity.mime;
+
+import java.io.File;
+import java.io.InputStream;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+
+import ch.boye.httpclientandroidlib.HttpEntity;
+import ch.boye.httpclientandroidlib.entity.ContentType;
+import ch.boye.httpclientandroidlib.entity.mime.content.ByteArrayBody;
+import ch.boye.httpclientandroidlib.entity.mime.content.ContentBody;
+import ch.boye.httpclientandroidlib.entity.mime.content.FileBody;
+import ch.boye.httpclientandroidlib.entity.mime.content.InputStreamBody;
+import ch.boye.httpclientandroidlib.entity.mime.content.StringBody;
+import ch.boye.httpclientandroidlib.util.Args;
+
+/**
+ * Builder for multipart {@link HttpEntity}s.
+ *
+ * @since 4.3
+ */
+public class MultipartEntityBuilder {
+
+    /**
+     * The pool of ASCII chars to be used for generating a multipart boundary.
+     */
+    private final static char[] MULTIPART_CHARS =
+            "-_1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                    .toCharArray();
+
+    private final static String DEFAULT_SUBTYPE = "form-data";
+
+    private String subType = DEFAULT_SUBTYPE;
+    private HttpMultipartMode mode = HttpMultipartMode.STRICT;
+    private String boundary = null;
+    private Charset charset = null;
+    private List<FormBodyPart> bodyParts = null;
+
+    public static MultipartEntityBuilder create() {
+        return new MultipartEntityBuilder();
+    }
+
+    MultipartEntityBuilder() {
+        super();
+    }
+
+    public MultipartEntityBuilder setMode(final HttpMultipartMode mode) {
+        this.mode = mode;
+        return this;
+    }
+
+    public MultipartEntityBuilder setLaxMode() {
+        this.mode = HttpMultipartMode.BROWSER_COMPATIBLE;
+        return this;
+    }
+
+    public MultipartEntityBuilder setStrictMode() {
+        this.mode = HttpMultipartMode.STRICT;
+        return this;
+    }
+
+    public MultipartEntityBuilder setBoundary(final String boundary) {
+        this.boundary = boundary;
+        return this;
+    }
+
+    public MultipartEntityBuilder setCharset(final Charset charset) {
+        this.charset = charset;
+        return this;
+    }
+
+    MultipartEntityBuilder addPart(final FormBodyPart bodyPart) {
+        if (bodyPart == null) {
+            return this;
+        }
+        if (this.bodyParts == null) {
+            this.bodyParts = new ArrayList<FormBodyPart>();
+        }
+        this.bodyParts.add(bodyPart);
+        return this;
+    }
+
+    public MultipartEntityBuilder addPart(final String name, final ContentBody contentBody) {
+        Args.notNull(name, "Name");
+        Args.notNull(contentBody, "Content body");
+        return addPart(new FormBodyPart(name, contentBody));
+    }
+
+    public MultipartEntityBuilder addTextBody(
+            final String name, final String text, final ContentType contentType) {
+        return addPart(name, new StringBody(text, contentType));
+    }
+
+    public MultipartEntityBuilder addTextBody(
+            final String name, final String text) {
+        return addTextBody(name, text, ContentType.DEFAULT_TEXT);
+    }
+
+    public MultipartEntityBuilder addBinaryBody(
+            final String name, final byte[] b, final ContentType contentType, final String filename) {
+        return addPart(name, new ByteArrayBody(b, contentType, filename));
+    }
+
+    public MultipartEntityBuilder addBinaryBody(
+            final String name, final byte[] b) {
+        return addBinaryBody(name, b, ContentType.DEFAULT_BINARY, null);
+    }
+
+    public MultipartEntityBuilder addBinaryBody(
+            final String name, final File file, final ContentType contentType, final String filename) {
+        return addPart(name, new FileBody(file, contentType, filename));
+    }
+
+    public MultipartEntityBuilder addBinaryBody(
+            final String name, final File file) {
+        return addBinaryBody(name, file, ContentType.DEFAULT_BINARY, file != null ? file.getName() : null);
+    }
+
+    public MultipartEntityBuilder addBinaryBody(
+            final String name, final InputStream stream, final ContentType contentType,
+            final String filename) {
+        return addPart(name, new InputStreamBody(stream, contentType, filename));
+    }
+
+    public MultipartEntityBuilder addBinaryBody(final String name, final InputStream stream) {
+        return addBinaryBody(name, stream, ContentType.DEFAULT_BINARY, null);
+    }
+
+    private String generateContentType(
+            final String boundary,
+            final Charset charset) {
+        final StringBuilder buffer = new StringBuilder();
+        buffer.append("multipart/form-data; boundary=");
+        buffer.append(boundary);
+        if (charset != null) {
+            buffer.append("; charset=");
+            buffer.append(charset.name());
+        }
+        return buffer.toString();
+    }
+
+    private String generateBoundary() {
+        final StringBuilder buffer = new StringBuilder();
+        final Random rand = new Random();
+        final int count = rand.nextInt(11) + 30; // a random size from 30 to 40
+        for (int i = 0; i < count; i++) {
+            buffer.append(MULTIPART_CHARS[rand.nextInt(MULTIPART_CHARS.length)]);
+        }
+        return buffer.toString();
+    }
+
+    MultipartFormEntity buildEntity() {
+        final String st = subType != null ? subType : DEFAULT_SUBTYPE;
+        final Charset cs = charset;
+        final String b = boundary != null ? boundary : generateBoundary();
+        final List<FormBodyPart> bps = bodyParts != null ? new ArrayList<FormBodyPart>(bodyParts) :
+                Collections.<FormBodyPart>emptyList();
+        final HttpMultipartMode m = mode != null ? mode : HttpMultipartMode.STRICT;
+        final AbstractMultipartForm form;
+        switch (m) {
+            case BROWSER_COMPATIBLE:
+                form = new HttpBrowserCompatibleMultipart(st, cs, b, bps);
+                break;
+            case RFC6532:
+                form = new HttpRFC6532Multipart(st, cs, b, bps);
+                break;
+            default:
+                form = new HttpStrictMultipart(st, cs, b, bps);
+        }
+        return new MultipartFormEntity(form, generateContentType(b, cs), form.getTotalLength());
+    }
+
+    public HttpEntity build() {
+        return buildEntity();
+    }
+
+}