kopia lustrzana https://github.com/ryukoposting/Signal-Android
99 wiersze
2.8 KiB
Java
99 wiersze
2.8 KiB
Java
package org.thoughtcrime.securesms.mms;
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import com.google.android.mms.ContentType;
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import com.google.android.mms.pdu_alt.CharacterSets;
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import com.google.android.mms.pdu_alt.PduBody;
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import com.google.android.mms.pdu_alt.PduPart;
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import org.signal.core.util.logging.Log;
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import org.thoughtcrime.securesms.util.Util;
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import java.io.UnsupportedEncodingException;
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import java.util.Arrays;
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import java.util.List;
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public class PartParser {
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private static final String TAG = Log.tag(PartParser.class);
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private static final List<String> DOCUMENT_TYPES = Arrays.asList("text/vcard", "text/x-vcard");
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public static String getMessageText(PduBody body) {
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String bodyText = null;
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for (int i=0;i<body.getPartsNum();i++) {
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if (isText(body.getPart(i)) && !isDocument(body.getPart(i))) {
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String partText;
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try {
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String characterSet = CharacterSets.getMimeName(body.getPart(i).getCharset());
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if (characterSet.equals(CharacterSets.MIMENAME_ANY_CHARSET))
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characterSet = CharacterSets.MIMENAME_UTF_8;
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if (body.getPart(i).getData() != null) {
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partText = new String(body.getPart(i).getData(), characterSet);
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} else {
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partText = "";
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}
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} catch (UnsupportedEncodingException e) {
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Log.w(TAG, e);
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partText = "Unsupported Encoding!";
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}
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bodyText = (bodyText == null) ? partText : bodyText + " " + partText;
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}
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}
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return bodyText;
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}
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public static PduBody getSupportedMediaParts(PduBody body) {
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PduBody stripped = new PduBody();
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for (int i=0;i<body.getPartsNum();i++) {
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if (isDisplayableMedia(body.getPart(i)) || isDocument(body.getPart(i))) {
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stripped.addPart(body.getPart(i));
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}
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}
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return stripped;
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}
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public static int getSupportedMediaPartCount(PduBody body) {
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int partCount = 0;
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for (int i=0;i<body.getPartsNum();i++) {
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if (isDisplayableMedia(body.getPart(i)) || isDocument(body.getPart(i))) {
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partCount++;
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}
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}
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return partCount;
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}
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public static boolean isImage(PduPart part) {
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return ContentType.isImageType(Util.toIsoString(part.getContentType()));
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}
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public static boolean isAudio(PduPart part) {
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return ContentType.isAudioType(Util.toIsoString(part.getContentType()));
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}
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public static boolean isVideo(PduPart part) {
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return ContentType.isVideoType(Util.toIsoString(part.getContentType()));
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}
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public static boolean isText(PduPart part) {
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return ContentType.isTextType(Util.toIsoString(part.getContentType()));
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}
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public static boolean isDisplayableMedia(PduPart part) {
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return isImage(part) || isAudio(part) || isVideo(part);
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}
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public static boolean isDocument(PduPart part) {
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return DOCUMENT_TYPES.contains(Util.toIsoString(part.getContentType()).toLowerCase());
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}
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}
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