/*
* Copyright (C) 2012.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 or
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
package uk.me.parabola.mkgmap.sea.optional;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.TreeMap;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.regex.Pattern;
import java.util.zip.GZIPOutputStream;
import uk.me.parabola.imgfmt.Utils;
import uk.me.parabola.imgfmt.app.Coord;
import uk.me.parabola.mkgmap.reader.osm.FakeIdGenerator;
import uk.me.parabola.mkgmap.reader.osm.SeaGenerator;
import uk.me.parabola.mkgmap.reader.osm.Way;
import uk.me.parabola.splitter.BinaryMapWriter;
import uk.me.parabola.splitter.Node;
import uk.me.parabola.splitter.OSMWriter;
import uk.me.parabola.splitter.OSMXMLWriter;
class PrecompSeaSaver
implements Runnable {
private final AtomicBoolean finished =
new AtomicBoolean(false);
private final CountDownLatch finishWait
;
private final Map<String,
String> index
;
private final Map<Integer,
String> idMapping
;
private int nextId =
0;
private final boolean usePbf
;
private final File outputDir
;
private final BlockingQueue<Entry
<String,
List<Way
>>> saveQueue =
new LinkedBlockingQueue<Entry
<String,
List<Way
>>>();
public PrecompSeaSaver
(File outputDir,
boolean usePbf
) {
this.
outputDir = outputDir
;
finishWait =
new CountDownLatch(1);
this.
usePbf = usePbf
;
idMapping =
new HashMap<Integer,
String>();
index =
new TreeMap<String,
String>();
this.
outputDir.
mkdirs();
}
public BlockingQueue<Entry
<String,
List<Way
>>> getQueue
() {
return saveQueue
;
}
private OSMWriter createWriter
(int id,
String key
) {
String[] parts = key.
split(Pattern.
quote("_"));
int lat =
Integer.
valueOf(parts
[0]);
int lon =
Integer.
valueOf(parts
[1]);
uk.
me.
parabola.
splitter.
Area bounds =
new uk.
me.
parabola.
splitter.
Area(
lat, lon, lat + SeaGenerator.
PRECOMP_RASTER, lon + SeaGenerator.
PRECOMP_RASTER);
OSMWriter writer =
(usePbf
? new BinaryMapWriter
(bounds, outputDir, nextId,
0)
:
new OSMXMLWriter
(bounds, outputDir, nextId,
0));
idMapping.
put(id, key
);
writer.
initForWrite();
return writer
;
}
public void waitForFinish
() throws InterruptedException {
this.
finished.
set(true);
this.
finishWait.
await();
}
public void run
() {
while (saveQueue.
isEmpty() ==
false || finished.
get() ==
false) {
Entry
<String,
List<Way
>> tileData =
null;
try {
tileData = saveQueue.
poll(1,
TimeUnit.
MINUTES);
} catch (InterruptedException exp
) {
exp.
printStackTrace();
}
if (tileData
!=
null) {
int id = ++nextId
;
if (tileData.
getValue().
size() ==
1) {
// do not write the tile because it consists of one
// natural type only
// write it only to the index
Way singleWay = tileData.
getValue().
get(0);
String naturalTag = singleWay.
getTag("natural");
index.
put(tileData.
getKey(), naturalTag
);
} else {
String ext =
(usePbf
? "pbf" :
"gz");
index.
put(tileData.
getKey(),
"sea_" + tileData.
getKey()
+
".osm." + ext
);
OSMWriter writer = createWriter
(id, tileData.
getKey());
Map<Coord,
Long> coordIds =
new HashMap<Coord,
Long>();
List<uk.
me.
parabola.
splitter.
Way> pbfWays =
new ArrayList<uk.
me.
parabola.
splitter.
Way>();
for (Way w : tileData.
getValue()) {
uk.
me.
parabola.
splitter.
Way pbfWay =
new uk.
me.
parabola.
splitter.
Way();
pbfWay.
set(w.
getId());
for (Entry
<String,
String> tag : w
.
getEntryIteratable()) {
pbfWay.
addTag(tag.
getKey(), tag.
getValue());
}
for (Coord c : w.
getPoints()) {
Node n =
new Node();
Long nodeId = coordIds.
get(c
);
if (nodeId ==
null) {
nodeId = FakeIdGenerator.
makeFakeId();
coordIds.
put(c, nodeId
);
n.
set(nodeId,
Utils.
toDegrees(c.
getLatitude()),
Utils.
toDegrees(c.
getLongitude()));
try {
writer.
write(n
);
} catch (IOException exp
) {
exp.
printStackTrace();
}
}
pbfWay.
addRef(nodeId
);
}
pbfWays.
add(pbfWay
);
}
for (uk.
me.
parabola.
splitter.
Way pbfWay : pbfWays
) {
try {
writer.
write(pbfWay
);
} catch (IOException exp
) {
exp.
printStackTrace();
}
}
writer.
finishWrite();
File tileFile =
new File(outputDir,
String.
format(
"%08d.osm." + ext, id
));
File precompFile =
new File(outputDir,
"sea_"
+ tileData.
getKey() +
".osm." + ext
);
if (precompFile.
exists()) {
precompFile.
delete();
}
tileFile.
renameTo(precompFile
);
}
}
}
writeIndex
();
finishWait.
countDown();
}
private void writeIndex
() {
try {
PrintWriter indexWriter =
new PrintWriter(
new GZIPOutputStream(new FileOutputStream(
new File(outputDir,
"index.txt.gz"))));
for (Entry
<String,
String> ind : index.
entrySet()) {
indexWriter.
format("%s;%s\n", ind.
getKey(), ind.
getValue());
}
indexWriter.
close();
} catch (IOException exp1
) {
exp1.
printStackTrace();
}
}
}