Move various utility classes to android-common (466d65e3) · Commits · e / os / platform_frameworks_native

common/java/com/android/common/ArrayListCursor.java

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		/*
		* Copyright (C) 2006 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.common;

		import android.database.AbstractCursor;
		import android.database.CursorWindow;

		import java.lang.System;
		import java.util.ArrayList;

		/**
		* A convenience class that presents a two-dimensional ArrayList
		* as a Cursor.
		* @deprecated This is has been replaced by MatrixCursor.
		*/
		public class ArrayListCursor extends AbstractCursor {
		private String[] mColumnNames;
		private ArrayList<Object>[] mRows;

		@SuppressWarnings({"unchecked"})
		public ArrayListCursor(String[] columnNames, ArrayList<ArrayList> rows) {
		int colCount = columnNames.length;
		boolean foundID = false;
		// Add an _id column if not in columnNames
		for (int i = 0; i < colCount; ++i) {
		if (columnNames[i].compareToIgnoreCase("_id") == 0) {
		mColumnNames = columnNames;
		foundID = true;
		break;
		}
		}

		if (!foundID) {
		mColumnNames = new String[colCount + 1];
		System.arraycopy(columnNames, 0, mColumnNames, 0, columnNames.length);
		mColumnNames[colCount] = "_id";
		}

		int rowCount = rows.size();
		mRows = new ArrayList[rowCount];

		for (int i = 0; i < rowCount; ++i) {
		mRows[i] = rows.get(i);
		if (!foundID) {
		mRows[i].add(i);
		}
		}
		}

		@Override
		public void fillWindow(int position, CursorWindow window) {
		if (position < 0 \|\| position > getCount()) {
		return;
		}

		window.acquireReference();
		try {
		int oldpos = mPos;
		mPos = position - 1;
		window.clear();
		window.setStartPosition(position);
		int columnNum = getColumnCount();
		window.setNumColumns(columnNum);
		while (moveToNext() && window.allocRow()) {
		for (int i = 0; i < columnNum; i++) {
		final Object data = mRows[mPos].get(i);
		if (data != null) {
		if (data instanceof byte[]) {
		byte[] field = (byte[]) data;
		if (!window.putBlob(field, mPos, i)) {
		window.freeLastRow();
		break;
		}
		} else {
		String field = data.toString();
		if (!window.putString(field, mPos, i)) {
		window.freeLastRow();
		break;
		}
		}
		} else {
		if (!window.putNull(mPos, i)) {
		window.freeLastRow();
		break;
		}
		}
		}
		}

		mPos = oldpos;
		} catch (IllegalStateException e){
		// simply ignore it
		} finally {
		window.releaseReference();
		}
		}

		@Override
		public int getCount() {
		return mRows.length;
		}

		@Override
		public boolean deleteRow() {
		return false;
		}

		@Override
		public String[] getColumnNames() {
		return mColumnNames;
		}

		@Override
		public byte[] getBlob(int columnIndex) {
		return (byte[]) mRows[mPos].get(columnIndex);
		}

		@Override
		public String getString(int columnIndex) {
		Object cell = mRows[mPos].get(columnIndex);
		return (cell == null) ? null : cell.toString();
		}

		@Override
		public short getShort(int columnIndex) {
		Number num = (Number) mRows[mPos].get(columnIndex);
		return num.shortValue();
		}

		@Override
		public int getInt(int columnIndex) {
		Number num = (Number) mRows[mPos].get(columnIndex);
		return num.intValue();
		}

		@Override
		public long getLong(int columnIndex) {
		Number num = (Number) mRows[mPos].get(columnIndex);
		return num.longValue();
		}

		@Override
		public float getFloat(int columnIndex) {
		Number num = (Number) mRows[mPos].get(columnIndex);
		return num.floatValue();
		}

		@Override
		public double getDouble(int columnIndex) {
		Number num = (Number) mRows[mPos].get(columnIndex);
		return num.doubleValue();
		}

		@Override
		public boolean isNull(int columnIndex) {
		return mRows[mPos].get(columnIndex) == null;
		}
		}

common/java/com/android/common/FastXmlSerializer.java

0 → 100644

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Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2006 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.common;

		import org.xmlpull.v1.XmlSerializer;

		import java.io.IOException;
		import java.io.OutputStream;
		import java.io.OutputStreamWriter;
		import java.io.UnsupportedEncodingException;
		import java.io.Writer;
		import java.nio.ByteBuffer;
		import java.nio.CharBuffer;
		import java.nio.charset.Charset;
		import java.nio.charset.CharsetEncoder;
		import java.nio.charset.CoderResult;
		import java.nio.charset.IllegalCharsetNameException;
		import java.nio.charset.UnsupportedCharsetException;

		/**
		* This is a quick and dirty implementation of XmlSerializer that isn't horribly
		* painfully slow like the normal one. It only does what is needed for the
		* specific XML files being written with it.
		*/
		public class FastXmlSerializer implements XmlSerializer {
		private static final String ESCAPE_TABLE[] = new String[] {
		null, null, null, null, null, null, null, null, // 0-7
		null, null, null, null, null, null, null, null, // 8-15
		null, null, null, null, null, null, null, null, // 16-23
		null, null, null, null, null, null, null, null, // 24-31
		null, null, """, null, null, null, "&", null, // 32-39
		null, null, null, null, null, null, null, null, // 40-47
		null, null, null, null, null, null, null, null, // 48-55
		null, null, null, null, "<", null, ">", null, // 56-63
		};

		private static final int BUFFER_LEN = 8192;

		private final char[] mText = new char[BUFFER_LEN];
		private int mPos;

		private Writer mWriter;

		private OutputStream mOutputStream;
		private CharsetEncoder mCharset;
		private ByteBuffer mBytes = ByteBuffer.allocate(BUFFER_LEN);

		private boolean mInTag;

		private void append(char c) throws IOException {
		int pos = mPos;
		if (pos >= (BUFFER_LEN-1)) {
		flush();
		pos = mPos;
		}
		mText[pos] = c;
		mPos = pos+1;
		}

		private void append(String str, int i, final int length) throws IOException {
		if (length > BUFFER_LEN) {
		final int end = i + length;
		while (i < end) {
		int next = i + BUFFER_LEN;
		append(str, i, next<end ? BUFFER_LEN : (end-i));
		i = next;
		}
		return;
		}
		int pos = mPos;
		if ((pos+length) > BUFFER_LEN) {
		flush();
		pos = mPos;
		}
		str.getChars(i, i+length, mText, pos);
		mPos = pos + length;
		}

		private void append(char[] buf, int i, final int length) throws IOException {
		if (length > BUFFER_LEN) {
		final int end = i + length;
		while (i < end) {
		int next = i + BUFFER_LEN;
		append(buf, i, next<end ? BUFFER_LEN : (end-i));
		i = next;
		}
		return;
		}
		int pos = mPos;
		if ((pos+length) > BUFFER_LEN) {
		flush();
		pos = mPos;
		}
		System.arraycopy(buf, i, mText, pos, length);
		mPos = pos + length;
		}

		private void append(String str) throws IOException {
		append(str, 0, str.length());
		}

		private void escapeAndAppendString(final String string) throws IOException {
		final int N = string.length();
		final char NE = (char)ESCAPE_TABLE.length;
		final String[] escapes = ESCAPE_TABLE;
		int lastPos = 0;
		int pos;
		for (pos=0; pos<N; pos++) {
		char c = string.charAt(pos);
		if (c >= NE) continue;
		String escape = escapes[c];
		if (escape == null) continue;
		if (lastPos < pos) append(string, lastPos, pos-lastPos);
		lastPos = pos + 1;
		append(escape);
		}
		if (lastPos < pos) append(string, lastPos, pos-lastPos);
		}

		private void escapeAndAppendString(char[] buf, int start, int len) throws IOException {
		final char NE = (char)ESCAPE_TABLE.length;
		final String[] escapes = ESCAPE_TABLE;
		int end = start+len;
		int lastPos = start;
		int pos;
		for (pos=start; pos<end; pos++) {
		char c = buf[pos];
		if (c >= NE) continue;
		String escape = escapes[c];
		if (escape == null) continue;
		if (lastPos < pos) append(buf, lastPos, pos-lastPos);
		lastPos = pos + 1;
		append(escape);
		}
		if (lastPos < pos) append(buf, lastPos, pos-lastPos);
		}

		public XmlSerializer attribute(String namespace, String name, String value) throws IOException,
		IllegalArgumentException, IllegalStateException {
		append(' ');
		if (namespace != null) {
		append(namespace);
		append(':');
		}
		append(name);
		append("=\"");

		escapeAndAppendString(value);
		append('"');
		return this;
		}

		public void cdsect(String text) throws IOException, IllegalArgumentException,
		IllegalStateException {
		throw new UnsupportedOperationException();
		}

		public void comment(String text) throws IOException, IllegalArgumentException,
		IllegalStateException {
		throw new UnsupportedOperationException();
		}

		public void docdecl(String text) throws IOException, IllegalArgumentException,
		IllegalStateException {
		throw new UnsupportedOperationException();
		}

		public void endDocument() throws IOException, IllegalArgumentException, IllegalStateException {
		flush();
		}

		public XmlSerializer endTag(String namespace, String name) throws IOException,
		IllegalArgumentException, IllegalStateException {
		if (mInTag) {
		append(" />\n");
		} else {
		append("</");
		if (namespace != null) {
		append(namespace);
		append(':');
		}
		append(name);
		append(">\n");
		}
		mInTag = false;
		return this;
		}

		public void entityRef(String text) throws IOException, IllegalArgumentException,
		IllegalStateException {
		throw new UnsupportedOperationException();
		}

		private void flushBytes() throws IOException {
		int position;
		if ((position = mBytes.position()) > 0) {
		mBytes.flip();
		mOutputStream.write(mBytes.array(), 0, position);
		mBytes.clear();
		}
		}

		public void flush() throws IOException {
		//Log.i("PackageManager", "flush mPos=" + mPos);
		if (mPos > 0) {
		if (mOutputStream != null) {
		CharBuffer charBuffer = CharBuffer.wrap(mText, 0, mPos);
		CoderResult result = mCharset.encode(charBuffer, mBytes, true);
		while (true) {
		if (result.isError()) {
		throw new IOException(result.toString());
		} else if (result.isOverflow()) {
		flushBytes();
		result = mCharset.encode(charBuffer, mBytes, true);
		continue;
		}
		break;
		}
		flushBytes();
		mOutputStream.flush();
		} else {
		mWriter.write(mText, 0, mPos);
		mWriter.flush();
		}
		mPos = 0;
		}
		}

		public int getDepth() {
		throw new UnsupportedOperationException();
		}

		public boolean getFeature(String name) {
		throw new UnsupportedOperationException();
		}

		public String getName() {
		throw new UnsupportedOperationException();
		}

		public String getNamespace() {
		throw new UnsupportedOperationException();
		}

		public String getPrefix(String namespace, boolean generatePrefix)
		throws IllegalArgumentException {
		throw new UnsupportedOperationException();
		}

		public Object getProperty(String name) {
		throw new UnsupportedOperationException();
		}

		public void ignorableWhitespace(String text) throws IOException, IllegalArgumentException,
		IllegalStateException {
		throw new UnsupportedOperationException();
		}

		public void processingInstruction(String text) throws IOException, IllegalArgumentException,
		IllegalStateException {
		throw new UnsupportedOperationException();
		}

		public void setFeature(String name, boolean state) throws IllegalArgumentException,
		IllegalStateException {
		if (name.equals("http://xmlpull.org/v1/doc/features.html#indent-output")) {
		return;
		}
		throw new UnsupportedOperationException();
		}

		public void setOutput(OutputStream os, String encoding) throws IOException,
		IllegalArgumentException, IllegalStateException {
		if (os == null)
		throw new IllegalArgumentException();
		if (true) {
		try {
		mCharset = Charset.forName(encoding).newEncoder();
		} catch (IllegalCharsetNameException e) {
		throw (UnsupportedEncodingException) (new UnsupportedEncodingException(
		encoding).initCause(e));
		} catch (UnsupportedCharsetException e) {
		throw (UnsupportedEncodingException) (new UnsupportedEncodingException(
		encoding).initCause(e));
		}
		mOutputStream = os;
		} else {
		setOutput(
		encoding == null
		? new OutputStreamWriter(os)
		: new OutputStreamWriter(os, encoding));
		}
		}

		public void setOutput(Writer writer) throws IOException, IllegalArgumentException,
		IllegalStateException {
		mWriter = writer;
		}

		public void setPrefix(String prefix, String namespace) throws IOException,
		IllegalArgumentException, IllegalStateException {
		throw new UnsupportedOperationException();
		}

		public void setProperty(String name, Object value) throws IllegalArgumentException,
		IllegalStateException {
		throw new UnsupportedOperationException();
		}

		public void startDocument(String encoding, Boolean standalone) throws IOException,
		IllegalArgumentException, IllegalStateException {
		append("<?xml version='1.0' encoding='utf-8' standalone='"
		+ (standalone ? "yes" : "no") + "' ?>\n");
		}

		public XmlSerializer startTag(String namespace, String name) throws IOException,
		IllegalArgumentException, IllegalStateException {
		if (mInTag) {
		append(">\n");
		}
		append('<');
		if (namespace != null) {
		append(namespace);
		append(':');
		}
		append(name);
		mInTag = true;
		return this;
		}

		public XmlSerializer text(char[] buf, int start, int len) throws IOException,
		IllegalArgumentException, IllegalStateException {
		if (mInTag) {
		append(">");
		mInTag = false;
		}
		escapeAndAppendString(buf, start, len);
		return this;
		}

		public XmlSerializer text(String text) throws IOException, IllegalArgumentException,
		IllegalStateException {
		if (mInTag) {
		append(">");
		mInTag = false;
		}
		escapeAndAppendString(text);
		return this;
		}

		}

common/java/com/android/common/NetworkConnectivityListener.java

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common/java/com/android/common/XmlUtils.java

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