diff options
author | steckbrief <steckbrief@chefmail.de> | 2015-05-03 22:25:46 +0200 |
---|---|---|
committer | lookshe <github@lookshe.org> | 2015-06-19 09:46:40 +0200 |
commit | 7382e3af9769f76fe4e19934a59e45a3f9858332 (patch) | |
tree | c37cdb03dfaeaccde7c8dd7c79887bf0de278f83 /src/main/java/de/thedevstack/conversationsplus/xml/XmlReader.java | |
parent | b3b4a2902e37fb072e800f5dff0392755f5d4501 (diff) |
renaming eu.siacs.conversations to de.thedevstack.conversationsplus
"renaming eu.siacs.conversations to de.thedevstack.conversationsplus"
package renaming completed
Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/xml/XmlReader.java')
-rw-r--r-- | src/main/java/de/thedevstack/conversationsplus/xml/XmlReader.java | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/xml/XmlReader.java b/src/main/java/de/thedevstack/conversationsplus/xml/XmlReader.java new file mode 100644 index 00000000..d7f6edf5 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/xml/XmlReader.java @@ -0,0 +1,141 @@ +package de.thedevstack.conversationsplus.xml; + +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; + +import org.xmlpull.v1.XmlPullParser; +import org.xmlpull.v1.XmlPullParserException; + +import de.thedevstack.conversationsplus.Config; + +import android.os.PowerManager; +import android.os.PowerManager.WakeLock; +import android.util.Log; +import android.util.Xml; + +public class XmlReader { + private XmlPullParser parser; + private PowerManager.WakeLock wakeLock; + private InputStream is; + + public XmlReader(WakeLock wakeLock) { + this.parser = Xml.newPullParser(); + try { + this.parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, + true); + } catch (XmlPullParserException e) { + Log.d(Config.LOGTAG, "error setting namespace feature on parser"); + } + this.wakeLock = wakeLock; + } + + public void setInputStream(InputStream inputStream) throws IOException { + if (inputStream == null) { + throw new IOException(); + } + this.is = inputStream; + try { + parser.setInput(new InputStreamReader(this.is)); + } catch (XmlPullParserException e) { + throw new IOException("error resetting parser"); + } + } + + public InputStream getInputStream() throws IOException { + if (this.is == null) { + throw new IOException(); + } + return is; + } + + public void reset() throws IOException { + if (this.is == null) { + throw new IOException(); + } + try { + parser.setInput(new InputStreamReader(this.is)); + } catch (XmlPullParserException e) { + throw new IOException("error resetting parser"); + } + } + + public Tag readTag() throws XmlPullParserException, IOException { + if (wakeLock.isHeld()) { + try { + wakeLock.release(); + } catch (RuntimeException re) { + } + } + try { + while (this.is != null + && parser.next() != XmlPullParser.END_DOCUMENT) { + wakeLock.acquire(); + if (parser.getEventType() == XmlPullParser.START_TAG) { + Tag tag = Tag.start(parser.getName()); + for (int i = 0; i < parser.getAttributeCount(); ++i) { + tag.setAttribute(parser.getAttributeName(i), + parser.getAttributeValue(i)); + } + String xmlns = parser.getNamespace(); + if (xmlns != null) { + tag.setAttribute("xmlns", xmlns); + } + return tag; + } else if (parser.getEventType() == XmlPullParser.END_TAG) { + Tag tag = Tag.end(parser.getName()); + return tag; + } else if (parser.getEventType() == XmlPullParser.TEXT) { + Tag tag = Tag.no(parser.getText()); + return tag; + } + } + if (wakeLock.isHeld()) { + try { + wakeLock.release(); + } catch (RuntimeException re) { + } + } + } catch (ArrayIndexOutOfBoundsException e) { + throw new IOException( + "xml parser mishandled ArrayIndexOufOfBounds", e); + } catch (StringIndexOutOfBoundsException e) { + throw new IOException( + "xml parser mishandled StringIndexOufOfBounds", e); + } catch (NullPointerException e) { + throw new IOException("xml parser mishandled NullPointerException", + e); + } catch (IndexOutOfBoundsException e) { + throw new IOException("xml parser mishandled IndexOutOfBound", e); + } + return null; + } + + public Element readElement(Tag currentTag) throws XmlPullParserException, + IOException { + Element element = new Element(currentTag.getName()); + element.setAttributes(currentTag.getAttributes()); + Tag nextTag = this.readTag(); + if (nextTag == null) { + throw new IOException("unterupted mid tag"); + } + if (nextTag.isNo()) { + element.setContent(nextTag.getName()); + nextTag = this.readTag(); + if (nextTag == null) { + throw new IOException("unterupted mid tag"); + } + } + while (!nextTag.isEnd(element.getName())) { + if (!nextTag.isNo()) { + Element child = this.readElement(nextTag); + element.addChild(child); + } + nextTag = this.readTag(); + if (nextTag == null) { + throw new IOException("unterupted mid tag"); + } + } + return element; + } +} |