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Rewrote both the upload and download methods and requested a new API key due to the disclosure of our last key. Contributions are required as the API key has not been white-listed and does not yet allow for the downloading of data.
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132 changes: 132 additions & 0 deletions
132
app/src/main/java/com/SecUpwN/AIMSICD/utils/StackOverflowXmlParser.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| package com.SecUpwN.AIMSICD.utils; | ||
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| import org.xmlpull.v1.XmlPullParser; | ||
| import org.xmlpull.v1.XmlPullParserException; | ||
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| import android.util.Xml; | ||
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| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| public class StackOverflowXmlParser { | ||
| // We don't use namespaces | ||
| private static final String ns = null; | ||
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| public List<Cell> parse(InputStream in) throws XmlPullParserException, IOException { | ||
| try { | ||
| XmlPullParser parser = Xml.newPullParser(); | ||
| parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, false); | ||
| parser.setInput(in, null); | ||
| parser.nextTag(); | ||
| return readCells(parser); | ||
| } finally { | ||
| in.close(); | ||
| } | ||
| } | ||
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| private List<Cell> readCells(XmlPullParser parser) throws XmlPullParserException, IOException { | ||
| List<Cell> cells = new ArrayList<>(); | ||
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| parser.require(XmlPullParser.START_TAG, ns, "rsp"); | ||
| while (parser.next() != XmlPullParser.END_TAG) { | ||
| if (parser.getEventType() != XmlPullParser.START_TAG) { | ||
| continue; | ||
| } | ||
| String name = parser.getName(); | ||
| // Starts by looking for the entry tag | ||
| if (name.equals("cell")) { | ||
| cells.add(readCell(parser)); | ||
| } else { | ||
| skip(parser); | ||
| } | ||
| } | ||
| return cells; | ||
| } | ||
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| // Parses the contents of an entry. If it encounters a title, summary, or link tag, hands them off | ||
| // to their respective "read" methods for processing. Otherwise, skips the tag. | ||
| private Cell readCell(XmlPullParser parser) throws XmlPullParserException, IOException { | ||
| Cell cell = new Cell(); | ||
| parser.require(XmlPullParser.START_TAG, ns, "cell"); | ||
| while (parser.next() != XmlPullParser.END_TAG) { | ||
| if (parser.getEventType() != XmlPullParser.START_TAG) { | ||
| continue; | ||
| } | ||
| String name = parser.getName(); | ||
| switch (name) { | ||
| case "lat": | ||
| cell.setLat(readDouble(parser)); | ||
| break; | ||
| case "lon": | ||
| cell.setLon(readDouble(parser)); | ||
| break; | ||
| case "mcc": | ||
| cell.setMCC(readInt(parser)); | ||
| break; | ||
| case "mnc": | ||
| cell.setMNC(readInt(parser)); | ||
| break; | ||
| case "cellid": | ||
| cell.setCID(readInt(parser)); | ||
| break; | ||
| case "lac": | ||
| cell.setLAC(readInt(parser)); | ||
| break; | ||
| default: | ||
| skip(parser); | ||
| break; | ||
| } | ||
| } | ||
| return cell; | ||
| } | ||
|
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| // For the tags title and summary, extracts their text values. | ||
| private String readText(XmlPullParser parser) throws IOException, XmlPullParserException { | ||
| String result = ""; | ||
| if (parser.next() == XmlPullParser.TEXT) { | ||
| result = parser.getText(); | ||
| parser.nextTag(); | ||
| } | ||
| return result; | ||
| } | ||
|
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| // For tags containing double values. | ||
| private double readDouble(XmlPullParser parser) throws IOException, XmlPullParserException { | ||
| String result = ""; | ||
| if (parser.next() == XmlPullParser.TEXT) { | ||
| result = parser.getText(); | ||
| parser.nextTag(); | ||
| } | ||
| return Double.valueOf(result); | ||
| } | ||
|
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| // For tags containing double values. | ||
| private int readInt(XmlPullParser parser) throws IOException, XmlPullParserException { | ||
| String result = ""; | ||
| if (parser.next() == XmlPullParser.TEXT) { | ||
| result = parser.getText(); | ||
| parser.nextTag(); | ||
| } | ||
| return Integer.valueOf(result); | ||
| } | ||
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| private void skip(XmlPullParser parser) throws XmlPullParserException, IOException { | ||
| if (parser.getEventType() != XmlPullParser.START_TAG) { | ||
| throw new IllegalStateException(); | ||
| } | ||
| int depth = 1; | ||
| while (depth != 0) { | ||
| switch (parser.next()) { | ||
| case XmlPullParser.END_TAG: | ||
| depth--; | ||
| break; | ||
| case XmlPullParser.START_TAG: | ||
| depth++; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| } |
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