Attachment.java

  1/*
  2 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
  3 *
  4 * Redistribution and use in source and binary forms, with or without modification,
  5 * are permitted provided that the following conditions are met:
  6 *
  7 * 1. Redistributions of source code must retain the above copyright notice, this
  8 * list of conditions and the following disclaimer.
  9 *
 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
 11 * this list of conditions and the following disclaimer in the documentation and/or
 12 * other materials provided with the distribution.
 13 *
 14 * 3. Neither the name of the copyright holder nor the names of its contributors
 15 * may be used to endorse or promote products derived from this software without
 16 * specific prior written permission.
 17 *
 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 28 */
 29
 30package eu.siacs.conversations.ui.util;
 31
 32import android.content.ClipData;
 33import android.content.Context;
 34import android.content.Intent;
 35import android.net.Uri;
 36import android.util.Log;
 37
 38import java.util.ArrayList;
 39import java.util.Collections;
 40import java.util.List;
 41import java.util.UUID;
 42
 43import eu.siacs.conversations.Config;
 44import eu.siacs.conversations.utils.MimeUtils;
 45
 46public class Attachment {
 47
 48    public String getMime() {
 49        return mime;
 50    }
 51
 52    public Type getType() {
 53        return type;
 54    }
 55
 56    public enum Type {
 57        FILE, IMAGE
 58    }
 59
 60    private final Uri uri;
 61    private final Type type;
 62    private final UUID uuid;
 63    private final String mime;
 64
 65    private Attachment(Uri uri, Type type, String mime) {
 66        this.uri = uri;
 67        this.type = type;
 68        this.mime = mime;
 69        this.uuid = UUID.randomUUID();
 70    }
 71
 72    public static List<Attachment> of(final Context context, Uri uri, Type type) {
 73        final String mime = MimeUtils.guessMimeTypeFromUri(context, uri);
 74        return Collections.singletonList(new Attachment(uri, type, mime));
 75    }
 76
 77
 78    public static List<Attachment> extractAttachments(final Context context, final Intent intent, Type type) {
 79        List<Attachment> uris = new ArrayList<>();
 80        if (intent == null) {
 81            return uris;
 82        }
 83        final String contentType = intent.getType();
 84        final Uri data = intent.getData();
 85        if (data == null) {
 86            final ClipData clipData = intent.getClipData();
 87            if (clipData != null) {
 88                for (int i = 0; i < clipData.getItemCount(); ++i) {
 89                    final Uri uri = clipData.getItemAt(i).getUri();
 90                    Log.d(Config.LOGTAG,"uri="+uri+" contentType="+contentType);
 91                    final String mime = contentType != null ? contentType : MimeUtils.guessMimeTypeFromUri(context, uri);
 92                    Log.d(Config.LOGTAG,"mime="+mime);
 93                    uris.add(new Attachment(uri, type, mime));
 94                }
 95            }
 96        } else {
 97            final String mime = contentType != null ? contentType : MimeUtils.guessMimeTypeFromUri(context, data);
 98            uris.add(new Attachment(data, type, mime));
 99        }
100        return uris;
101    }
102
103    public Uri getUri() {
104        return uri;
105    }
106
107    public UUID getUuid() {
108        return uuid;
109    }
110}