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LwHttp: prepare tilePath as byte[]

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This commit is contained in:
Hannes Janetzek 2014-04-02 17:59:28 +02:00
parent 98e30a468f
commit 15cf4810cf
1 changed files with 37 additions and 33 deletions
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68
vtm/src/org/oscim/tiling/source/LwHttp.java
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@ -40,10 +40,7 @@ public class LwHttp implements HttpEngine {
static final Logger log = LoggerFactory.getLogger(LwHttp.class); static final Logger log = LoggerFactory.getLogger(LwHttp.class);
static final boolean dbg = false; static final boolean dbg = false;
private final UrlTileSource mTileSource;
private final static byte[] HEADER_HTTP_OK = "200 OK".getBytes(); private final static byte[] HEADER_HTTP_OK = "200 OK".getBytes();
//private final static byte[] HEADER_CONTENT_TYPE = "Content-Type".getBytes();
private final static byte[] HEADER_CONTENT_LENGTH = "Content-Length".getBytes(); private final static byte[] HEADER_CONTENT_LENGTH = "Content-Length".getBytes();
private final static byte[] HEADER_CONNECTION_CLOSE = "Connection: close".getBytes(); private final static byte[] HEADER_CONNECTION_CLOSE = "Connection: close".getBytes();
@ -69,9 +66,11 @@ public class LwHttp implements HttpEngine {
private final byte[] REQUEST_GET_START; private final byte[] REQUEST_GET_START;
private final byte[] REQUEST_GET_END; private final byte[] REQUEST_GET_END;
private final byte[] mRequestBuffer; private final byte[] mRequestBuffer;
private final byte[][] mTilePath;
private LwHttp(UrlTileSource tileSource, byte[][] tilePath) {
mTilePath = tilePath;
private LwHttp(UrlTileSource tileSource) {
mTileSource = tileSource;
URL url = tileSource.getUrl(); URL url = tileSource.getUrl();
int port = url.getPort(); int port = url.getPort();
if (port < 0) if (port < 0)
@ -353,7 +352,7 @@ public class LwHttp implements HttpEngine {
byte[] request = mRequestBuffer; byte[] request = mRequestBuffer;
int pos = REQUEST_GET_START.length; int pos = REQUEST_GET_START.length;
pos = formatTilePath(mTileSource, tile, request, pos); pos = formatTilePath(tile, request, pos);
int len = REQUEST_GET_END.length; int len = REQUEST_GET_END.length;
System.arraycopy(REQUEST_GET_END, 0, request, pos, len); System.arraycopy(REQUEST_GET_END, 0, request, pos, len);
@ -453,7 +452,7 @@ public class LwHttp implements HttpEngine {
} }
/** write (positive) integer to byte array */ /** write (positive) integer to byte array */
public static int writeInt(int val, int pos, byte[] buf) { private static int writeInt(int val, int pos, byte[] buf) {
if (val == 0) { if (val == 0) {
buf[pos] = '0'; buf[pos] = '0';
return pos + 1; return pos + 1;
@ -469,7 +468,7 @@ public class LwHttp implements HttpEngine {
} }
/** parse (positive) integer from byte array */ /** parse (positive) integer from byte array */
protected static int parseInt(byte[] buf, int pos, int end) { private static int parseInt(byte[] buf, int pos, int end) {
int val = 0; int val = 0;
for (; pos < end; pos++) for (; pos < end; pos++)
val = val * 10 + (buf[pos]) - '0'; val = val * 10 + (buf[pos]) - '0';
@ -495,42 +494,47 @@ public class LwHttp implements HttpEngine {
/** /**
* Write tile url - the low level, no-allocations method, * Write tile url - the low level, no-allocations method,
* *
* override getTileUrl() for custom url formatting using
* Strings
*
* @param tile the Tile * @param tile the Tile
* @param buf to write url string * @param buf to write url string
* @param pos current position * @param pos current position
* @return new position * @return new position
*/ */
public int formatTilePath(UrlTileSource tileSource, Tile tile, byte[] buf, int pos) { private int formatTilePath(Tile tile, byte[] buf, int pos) {
String p = tileSource.formatTilePath(tile); for (byte[] b : mTilePath) {
log.debug("path {}", p); if (b.length == 1) {
//if (p != null) { if (b[0] == '/') {
byte[] b = p.getBytes(); buf[pos++] = '/';
} else if (b[0] == 'X') {
pos = writeInt(tile.tileX, pos, buf);
continue;
} else if (b[0] == 'Y') {
pos = writeInt(tile.tileY, pos, buf);
continue;
} else if (b[0] == 'Z') {
pos = writeInt(tile.zoomLevel, pos, buf);
continue;
}
}
System.arraycopy(b, 0, buf, pos, b.length); System.arraycopy(b, 0, buf, pos, b.length);
return pos + b.length; pos += b.length;
//} }
// return pos;
// buf[pos++] = '/';
// pos = LwHttp.writeInt(tile.zoomLevel, pos, buf);
// buf[pos++] = '/';
// pos = LwHttp.writeInt(tile.tileX, pos, buf);
// buf[pos++] = '/';
// pos = LwHttp.writeInt(tile.tileY, pos, buf);
// byte[] ext = tileSource.mExtBytes;
// if (ext == null)
// return pos;
//
// System.arraycopy(ext, 0, buf, pos, ext.length);
// return pos + ext.length;
} }
public static class LwHttpFactory implements HttpEngine.Factory { public static class LwHttpFactory implements HttpEngine.Factory {
private byte[][] mTilePath;
@Override @Override
public HttpEngine create(UrlTileSource tileSource) { public HttpEngine create(UrlTileSource tileSource) {
return new LwHttp(tileSource); if (mTilePath == null) {
String[] path = tileSource.getTilePath();
mTilePath = new byte[path.length][];
for (int i = 0; i < path.length; i++)
mTilePath[i] = path[i].getBytes();
}
return new LwHttp(tileSource, mTilePath);
} }
} }
} }