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com.iheartradio.m3u8.MasterPlaylistLineParser Maven / Gradle / Ivy
package com.iheartradio.m3u8;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import com.iheartradio.m3u8.data.IFrameStreamInfo;
import com.iheartradio.m3u8.data.MediaData;
import com.iheartradio.m3u8.data.MediaType;
import com.iheartradio.m3u8.data.StreamInfo;
import com.iheartradio.m3u8.data.StreamInfoBuilder;
class MasterPlaylistLineParser implements LineParser {
private final IExtTagParser mTagParser;
private final LineParser mLineParser;
MasterPlaylistLineParser(IExtTagParser parser) {
this(parser, new ExtLineParser(parser));
}
MasterPlaylistLineParser(IExtTagParser tagParser, LineParser lineParser) {
mTagParser = tagParser;
mLineParser = lineParser;
}
@Override
public void parse(String line, ParseState state) throws ParseException {
if (state.isMedia()) {
throw ParseException.create(ParseExceptionType.MASTER_IN_MEDIA, mTagParser.getTag());
}
state.setMaster();
mLineParser.parse(line, state);
}
// master playlist tags
static final IExtTagParser EXT_X_MEDIA = new IExtTagParser() {
private final LineParser mLineParser = new MasterPlaylistLineParser(this);
private final Map> HANDLERS = new HashMap>();
{
HANDLERS.put(Constants.TYPE, new AttributeParser() {
@Override
public void parse(Attribute attribute, MediaData.Builder builder, ParseState state) throws ParseException {
final MediaType type = MediaType.fromValue(attribute.value);
if (type == null) {
throw ParseException.create(ParseExceptionType.INVALID_MEDIA_TYPE, getTag(), attribute.toString());
} else {
builder.withType(type);
}
}
});
HANDLERS.put(Constants.URI, new AttributeParser() {
@Override
public void parse(Attribute attribute, MediaData.Builder builder, ParseState state) throws ParseException {
builder.withUri(ParseUtil.decodeUri(ParseUtil.parseQuotedString(attribute.value, getTag()), state.encoding));
}
});
HANDLERS.put(Constants.GROUP_ID, new AttributeParser() {
@Override
public void parse(Attribute attribute, MediaData.Builder builder, ParseState state) throws ParseException {
final String groupId = ParseUtil.parseQuotedString(attribute.value, getTag());
if (groupId.isEmpty()) {
throw ParseException.create(ParseExceptionType.EMPTY_MEDIA_GROUP_ID, getTag(), attribute.toString());
} else {
builder.withGroupId(groupId);
}
}
});
HANDLERS.put(Constants.LANGUAGE, new AttributeParser() {
@Override
public void parse(Attribute attribute, MediaData.Builder builder, ParseState state) throws ParseException {
builder.withLanguage(ParseUtil.parseQuotedString(attribute.value, getTag()));
}
});
HANDLERS.put(Constants.ASSOCIATED_LANGUAGE, new AttributeParser() {
@Override
public void parse(Attribute attribute, MediaData.Builder builder, ParseState state) throws ParseException {
builder.withAssociatedLanguage(ParseUtil.parseQuotedString(attribute.value, getTag()));
}
});
HANDLERS.put(Constants.NAME, new AttributeParser() {
@Override
public void parse(Attribute attribute, MediaData.Builder builder, ParseState state) throws ParseException {
final String name = ParseUtil.parseQuotedString(attribute.value, getTag());
if (name.isEmpty()) {
throw ParseException.create(ParseExceptionType.EMPTY_MEDIA_NAME, getTag(), attribute.toString());
} else {
builder.withName(name);
}
}
});
HANDLERS.put(Constants.DEFAULT, new AttributeParser() {
@Override
public void parse(Attribute attribute, MediaData.Builder builder, ParseState state) throws ParseException {
boolean isDefault = ParseUtil.parseYesNo(attribute, getTag());
builder.withDefault(isDefault);
state.getMaster().isDefault = isDefault;
if (isDefault) {
if (state.getMaster().isNotAutoSelect) {
throw ParseException.create(ParseExceptionType.AUTO_SELECT_DISABLED_FOR_DEFAULT, getTag(), attribute.toString());
}
builder.withAutoSelect(true);
}
}
});
HANDLERS.put(Constants.AUTO_SELECT, new AttributeParser() {
@Override
public void parse(Attribute attribute, MediaData.Builder builder, ParseState state) throws ParseException {
final boolean isAutoSelect = ParseUtil.parseYesNo(attribute, getTag());
builder.withAutoSelect(isAutoSelect);
state.getMaster().isNotAutoSelect = !isAutoSelect;
if (state.getMaster().isDefault && !isAutoSelect) {
throw ParseException.create(ParseExceptionType.AUTO_SELECT_DISABLED_FOR_DEFAULT, getTag(), attribute.toString());
}
}
});
HANDLERS.put(Constants.FORCED, new AttributeParser() {
@Override
public void parse(Attribute attribute, MediaData.Builder builder, ParseState state) throws ParseException {
builder.withForced(ParseUtil.parseYesNo(attribute, getTag()));
}
});
HANDLERS.put(Constants.IN_STREAM_ID, new AttributeParser() {
@Override
public void parse(Attribute attribute, MediaData.Builder builder, ParseState state) throws ParseException {
final String inStreamId = ParseUtil.parseQuotedString(attribute.value, getTag());
if (Constants.EXT_X_MEDIA_IN_STREAM_ID_PATTERN.matcher(inStreamId).matches()) {
builder.withInStreamId(inStreamId);
} else {
throw ParseException.create(ParseExceptionType.INVALID_MEDIA_IN_STREAM_ID, getTag(), attribute.toString());
}
}
});
HANDLERS.put(Constants.CHARACTERISTICS, new AttributeParser() {
@Override
public void parse(Attribute attribute, MediaData.Builder builder, ParseState state) throws ParseException {
final String[] characteristicStrings = ParseUtil.parseQuotedString(attribute.value, getTag()).split(Constants.COMMA);
if (characteristicStrings.length == 0) {
throw ParseException.create(ParseExceptionType.EMPTY_MEDIA_CHARACTERISTICS, getTag(), attribute.toString());
} else {
builder.withCharacteristics(Arrays.asList(characteristicStrings));
}
}
});
}
@Override
public String getTag() {
return Constants.EXT_X_MEDIA_TAG;
}
@Override
public boolean hasData() {
return true;
}
@Override
public void parse(String line, ParseState state) throws ParseException {
mLineParser.parse(line, state);
final MediaData.Builder builder = new MediaData.Builder();
state.getMaster().clearMediaDataState();
ParseUtil.parseAttributes(line, builder, state, HANDLERS, getTag());
state.getMaster().mediaData.add(builder.build());
}
};
static final IExtTagParser EXT_X_I_FRAME_STREAM_INF = new IExtTagParser() {
private final LineParser mLineParser = new MasterPlaylistLineParser(this);
private final Map> HANDLERS = makeExtStreamInfHandlers(getTag());
{
HANDLERS.put(Constants.URI, new AttributeParser() {
@Override
public void parse(Attribute attribute, IFrameStreamInfo.Builder builder, ParseState state) throws ParseException {
builder.withUri(ParseUtil.parseQuotedString(attribute.value, getTag()));
}
});
}
@Override
public String getTag() {
return Constants.EXT_X_I_FRAME_STREAM_INF_TAG;
}
@Override
public boolean hasData() {
return true;
}
@Override
public void parse(String line, ParseState state) throws ParseException {
mLineParser.parse(line, state);
final IFrameStreamInfo.Builder builder = new IFrameStreamInfo.Builder();
ParseUtil.parseAttributes(line, builder, state, HANDLERS, getTag());
state.getMaster().iFramePlaylists.add(builder.build());
}
};
static final IExtTagParser EXT_X_STREAM_INF = new IExtTagParser() {
private final LineParser mLineParser = new MasterPlaylistLineParser(this);
private final Map> HANDLERS = makeExtStreamInfHandlers(getTag());
{
HANDLERS.put(Constants.AUDIO, new AttributeParser() {
@Override
public void parse(Attribute attribute, StreamInfo.Builder builder, ParseState state) throws ParseException {
builder.withAudio(ParseUtil.parseQuotedString(attribute.value, getTag()));
}
});
HANDLERS.put(Constants.SUBTITLES, new AttributeParser() {
@Override
public void parse(Attribute attribute, StreamInfo.Builder builder, ParseState state) throws ParseException {
builder.withSubtitles(ParseUtil.parseQuotedString(attribute.value, getTag()));
}
});
HANDLERS.put(Constants.CLOSED_CAPTIONS, new AttributeParser() {
@Override
public void parse(Attribute attribute, StreamInfo.Builder builder, ParseState state) throws ParseException {
if (!attribute.value.equals(Constants.NO_CLOSED_CAPTIONS)) {
builder.withClosedCaptions(ParseUtil.parseQuotedString(attribute.value, getTag()));
}
}
});
}
@Override
public String getTag() {
return Constants.EXT_X_STREAM_INF_TAG;
}
@Override
public boolean hasData() {
return true;
}
@Override
public void parse(String line, ParseState state) throws ParseException {
mLineParser.parse(line, state);
final StreamInfo.Builder builder = new StreamInfo.Builder();
ParseUtil.parseAttributes(line, builder, state, HANDLERS, getTag());
state.getMaster().streamInfo = builder.build();
}
};
static Map> makeExtStreamInfHandlers(final String tag) {
final Map> handlers = new HashMap<>();
handlers.put(Constants.BANDWIDTH, new AttributeParser() {
@Override
public void parse(Attribute attribute, T builder, ParseState state) throws ParseException {
builder.withBandwidth(ParseUtil.parseInt(attribute.value, tag));
}
});
handlers.put(Constants.AVERAGE_BANDWIDTH, new AttributeParser() {
@Override
public void parse(Attribute attribute, T builder, ParseState state) throws ParseException {
builder.withAverageBandwidth(ParseUtil.parseInt(attribute.value, tag));
}
});
handlers.put(Constants.CODECS, new AttributeParser() {
@Override
public void parse(Attribute attribute, T builder, ParseState state) throws ParseException {
final String[] characteristicStrings = ParseUtil.parseQuotedString(attribute.value, tag).split(Constants.COMMA);
if (characteristicStrings.length > 0) {
builder.withCodecs(Arrays.asList(characteristicStrings));
}
}
});
handlers.put(Constants.RESOLUTION, new AttributeParser() {
@Override
public void parse(Attribute attribute, T builder, ParseState state) throws ParseException {
builder.withResolution(ParseUtil.parseResolution(attribute.value, tag));
}
});
handlers.put(Constants.FRAME_RATE, new AttributeParser() {
@Override
public void parse(Attribute attribute, T builder, ParseState state) throws ParseException {
builder.withFrameRate(ParseUtil.parseFloat(attribute.value, tag));
}
});
handlers.put(Constants.VIDEO, new AttributeParser() {
@Override
public void parse(Attribute attribute, T builder, ParseState state) throws ParseException {
builder.withVideo(ParseUtil.parseQuotedString(attribute.value, tag));
}
});
handlers.put(Constants.PROGRAM_ID, new AttributeParser() {
@Override
public void parse(Attribute attribute, T builder, ParseState state) throws ParseException {
// deprecated
}
});
return handlers;
}
}
