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Code Issues Releases Wiki Activity

Abstract XmlWriter

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This commit is contained in:
wb9688
2020-06-17 17:19:45 +02:00
parent 7ac1552c81
commit 886bdd8118
6 changed files with 75 additions and 45 deletions
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9
src/main/java/org/schabi/newpipe/cast/Device.java
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@@ -1,13 +1,12 @@
package org.schabi.newpipe.cast;
import org.schabi.newpipe.cast.exceptions.XmlWriterException;
import org.xml.sax.SAXException;
import java.io.IOException;
import java.net.ProtocolException;
import java.util.List;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.stream.XMLStreamException;
public abstract class Device {
public final String location;
@@ -18,11 +17,11 @@ public abstract class Device {
public abstract String getName();
public abstract void play(String url, String title, String creator, MediaFormat mediaFormat) throws IOException, XMLStreamException;
public abstract void play(String url, String title, String creator, MediaFormat mediaFormat) throws IOException, XmlWriterException;
public abstract void addToQueue(String url, String title, String creator, MediaFormat mediaFormat) throws IOException, XMLStreamException;
public abstract void addToQueue(String url, String title, String creator, MediaFormat mediaFormat) throws IOException, XmlWriterException;
public abstract List<MediaFormat> getSupportedFormats() throws IOException, XMLStreamException, ParserConfigurationException, SAXException;
public abstract List<MediaFormat> getSupportedFormats() throws IOException, ParserConfigurationException, SAXException, XmlWriterException;
public abstract Stoppable startBackgroundWork() throws IOException;
}

18
src/main/java/org/schabi/newpipe/cast/PipeCast.java
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@@ -1,9 +1,23 @@
package org.schabi.newpipe.cast;
import org.schabi.newpipe.cast.exceptions.ProtocolNotFoundException;
import org.schabi.newpipe.cast.exceptions.XmlWriterException;
public class PipeCast {
private PipeCast() {
public final class PipeCast {
private static Class<? extends XmlWriter> xmlWriter;
private PipeCast() { }
public static void init(Class<? extends XmlWriter> xmlWriter) {
PipeCast.xmlWriter = xmlWriter;
}
public static XmlWriter getXmlWriter() throws XmlWriterException {
try {
return xmlWriter.newInstance();
} catch (IllegalAccessException | InstantiationException e) {
throw new XmlWriterException(e);
}
}
public static CastingProtocol[] getProtocols() {

15
src/main/java/org/schabi/newpipe/cast/XmlWriter.java Normal file
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@@ -0,0 +1,15 @@
package org.schabi.newpipe.cast;
import org.schabi.newpipe.cast.exceptions.XmlWriterException;
public abstract class XmlWriter {
abstract public void writeStartDocument(String encoding, String version) throws XmlWriterException;
abstract public void writeStartElement(String localName) throws XmlWriterException;
abstract public void writeAttribute(String localName, String value) throws XmlWriterException;
abstract public void writeNamespace(String prefix, String namespaceURI) throws XmlWriterException;
abstract public void writeCharacters(String text) throws XmlWriterException;
abstract public void writeEndElement() throws XmlWriterException;
abstract public void writeEndDocument() throws XmlWriterException;
abstract public String end() throws XmlWriterException;
}

5
src/main/java/org/schabi/newpipe/cast/exceptions/ProtocolNotFoundException.java
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@@ -1,10 +1,7 @@
package org.schabi.newpipe.cast.exceptions;
public class ProtocolNotFoundException extends Exception {
private static final long serialVersionUID = 3248824733038646732L;
public ProtocolNotFoundException() {
}
public ProtocolNotFoundException() { }
public ProtocolNotFoundException(String message) {
super(message);

21
src/main/java/org/schabi/newpipe/cast/exceptions/XmlWriterException.java Normal file
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@@ -0,0 +1,21 @@
package org.schabi.newpipe.cast.exceptions;
public class XmlWriterException extends Exception {
public XmlWriterException() { }
public XmlWriterException(String message) {
super(message);
}
public XmlWriterException(Throwable cause) {
super(cause);
}
public XmlWriterException(String message, Throwable cause) {
super(message, cause);
}
public XmlWriterException(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
super(message, cause, enableSuppression, writableStackTrace);
}
}

52
src/main/java/org/schabi/newpipe/cast/protocols/upnp/UpnpDevice.java
View File

@@ -2,7 +2,10 @@ package org.schabi.newpipe.cast.protocols.upnp;
import org.schabi.newpipe.cast.Device;
import org.schabi.newpipe.cast.MediaFormat;
import org.schabi.newpipe.cast.PipeCast;
import org.schabi.newpipe.cast.Stoppable;
import org.schabi.newpipe.cast.XmlWriter;
import org.schabi.newpipe.cast.exceptions.XmlWriterException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
@@ -14,7 +17,6 @@ import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.StringReader;
import java.io.StringWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
@@ -23,9 +25,6 @@ import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
public class UpnpDevice extends Device {
private Document description;
@@ -91,7 +90,7 @@ public class UpnpDevice extends Device {
return device.getElementsByTagName("friendlyName").item(0).getTextContent();
}
private void play() throws IOException, XMLStreamException {
private void play() throws IOException, XmlWriterException {
HttpURLConnection connection = (HttpURLConnection) avTransportUrl.openConnection();
connection.setDoOutput(true);
connection.setRequestMethod("POST");
@@ -99,9 +98,7 @@ public class UpnpDevice extends Device {
connection.setRequestProperty("Soapaction", "\"urn:schemas-upnp-org:service:AVTransport:1#Play\"");
OutputStream outputStream = connection.getOutputStream();
StringWriter sw = new StringWriter();
XMLOutputFactory xmlof = XMLOutputFactory.newInstance();
XMLStreamWriter writer = xmlof.createXMLStreamWriter(sw);
XmlWriter writer = PipeCast.getXmlWriter();
writer.writeStartDocument("utf-8", "1.0");
writer.writeStartElement("s:Envelope");
@@ -120,18 +117,15 @@ public class UpnpDevice extends Device {
writer.writeEndElement();
writer.writeEndElement();
writer.writeEndDocument();
writer.close();
byte[] xml = sw.toString().getBytes();
byte[] xml = writer.end().getBytes();
outputStream.write(xml);
outputStream.close();
connection.getInputStream();
}
private String createDidl(String url, String title, String creator, MediaFormat mediaFormat) throws XMLStreamException {
StringWriter didlSw = new StringWriter();
XMLOutputFactory didlXmlof = XMLOutputFactory.newInstance();
XMLStreamWriter didlWriter = didlXmlof.createXMLStreamWriter(didlSw);
private String createDidl(String url, String title, String creator, MediaFormat mediaFormat) throws XmlWriterException {
XmlWriter didlWriter = PipeCast.getXmlWriter();
didlWriter.writeStartElement("DIDL-Lite");
didlWriter.writeNamespace("", "urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/");
didlWriter.writeNamespace("dc", "http://purl.org/dc/elements/1.1/");
@@ -167,13 +161,12 @@ public class UpnpDevice extends Device {
didlWriter.writeEndElement();
didlWriter.writeEndElement();
didlWriter.writeEndDocument();
didlWriter.close();
return didlSw.toString();
return didlWriter.end();
}
@Override
public void play(String url, String title, String creator, MediaFormat mediaFormat) throws IOException, XMLStreamException {
public void play(String url, String title, String creator, MediaFormat mediaFormat) throws IOException, XmlWriterException {
HttpURLConnection connection = (HttpURLConnection) avTransportUrl.openConnection();
connection.setDoOutput(true);
connection.setRequestMethod("POST");
@@ -182,9 +175,7 @@ public class UpnpDevice extends Device {
connection.setDoOutput(true);
OutputStream outputStream = connection.getOutputStream();
StringWriter sw = new StringWriter();
XMLOutputFactory xmlof = XMLOutputFactory.newInstance();
XMLStreamWriter writer = xmlof.createXMLStreamWriter(sw);
XmlWriter writer = PipeCast.getXmlWriter();
writer.writeStartDocument("utf-8", "1.0");
writer.writeStartElement("s:Envelope");
writer.writeAttribute("s:encodingStyle", "http://schemas.xmlsoap.org/soap/encoding/");
@@ -205,9 +196,8 @@ public class UpnpDevice extends Device {
writer.writeEndElement();
writer.writeEndElement();
writer.writeEndDocument();
writer.close();
byte[] xml = sw.toString().getBytes();
byte[] xml = writer.end().getBytes();
outputStream.write(xml);
outputStream.close();
connection.getInputStream();
@@ -231,10 +221,8 @@ public class UpnpDevice extends Device {
}
@Override
public void addToQueue(String url, String title, String creator, MediaFormat mediaFormat) throws IOException, XMLStreamException {
StringWriter sw = new StringWriter();
XMLOutputFactory xmlof = XMLOutputFactory.newInstance();
XMLStreamWriter writer = xmlof.createXMLStreamWriter(sw);
public void addToQueue(String url, String title, String creator, MediaFormat mediaFormat) throws IOException, XmlWriterException {
XmlWriter writer = PipeCast.getXmlWriter();
writer.writeStartDocument("utf-8", "1.0");
writer.writeStartElement("s:Envelope");
writer.writeAttribute("s:encodingStyle", "http://schemas.xmlsoap.org/soap/encoding/");
@@ -255,9 +243,8 @@ public class UpnpDevice extends Device {
writer.writeEndElement();
writer.writeEndElement();
writer.writeEndDocument();
writer.close();
queue.add(sw.toString());
queue.add(writer.end());
if (queue.size() == 1) {
setNextAvTransportUri();
@@ -265,7 +252,7 @@ public class UpnpDevice extends Device {
}
@Override
public List<MediaFormat> getSupportedFormats() throws IOException, XMLStreamException, ParserConfigurationException, SAXException {
public List<MediaFormat> getSupportedFormats() throws IOException, XmlWriterException, ParserConfigurationException, SAXException {
HttpURLConnection connection = (HttpURLConnection) connectionManagerUrl.openConnection();
connection.setDoOutput(true);
connection.setRequestMethod("POST");
@@ -274,9 +261,7 @@ public class UpnpDevice extends Device {
connection.setDoOutput(true);
OutputStream outputStream = connection.getOutputStream();
StringWriter sw = new StringWriter();
XMLOutputFactory xmlof = XMLOutputFactory.newInstance();
XMLStreamWriter writer = xmlof.createXMLStreamWriter(sw);
XmlWriter writer = PipeCast.getXmlWriter();
writer.writeStartDocument("utf-8", "1.0");
writer.writeStartElement("s:Envelope");
writer.writeAttribute("s:encodingStyle", "http://schemas.xmlsoap.org/soap/encoding/");
@@ -288,9 +273,8 @@ public class UpnpDevice extends Device {
writer.writeEndElement();
writer.writeEndElement();
writer.writeEndDocument();
writer.close();
byte[] xml = sw.toString().getBytes();
byte[] xml = writer.end().getBytes();
outputStream.write(xml);
outputStream.close();