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import java.lang.Exception;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import crosby.binary.BinaryParser;
import crosby.binary.Osmformat;
import crosby.binary.file.BlockInputStream;
class ReadPBF {
public static void main(String args[]) {
String filename = args[0];
System.out.println("Reading: " + filename);
File input = new File(filename);
try {
InputStream is = new FileInputStream(input);
parse(is);
} catch (FileNotFoundException e) {
System.out.println("Error: File not found!");
System.exit(1);
}
}
public static void parse(InputStream is) {
try {
BinParser reader = new BinParser();
BlockInputStream stream = new BlockInputStream(is, reader);
stream.process();
} catch (IOException e) {
System.out.println("Error: Failed to parse PBF");
System.exit(1);
}
}
public static class BinParser extends BinaryParser {
protected void parse(Osmformat.HeaderBlock header) {
System.out.println("Parsing HeaderBlock");
if (header.hasBbox()) {
double multiplier = .000000001;
double maxLon = header.getBbox().getRight() * multiplier;
double minLon = header.getBbox().getLeft() * multiplier;
double maxLat = header.getBbox().getTop() * multiplier;
double minLat = header.getBbox().getBottom() * multiplier;
System.out.println(" BBOX: " + minLat + "," + minLon + "," + maxLat + "," + maxLon);
}
for (String s : header.getRequiredFeaturesList()) {
System.out.println(" Feature: " + s);
}
}
protected void parseNodes(List<Osmformat.Node> nodes) {
System.out.println("Parsing nodes");
for (Osmformat.Node n : nodes) {
System.out.println(" node:" + n.getId());
System.out.println(" Lat/Lon: " + n.getLat() + "," + n.getLon());
System.out.println(" Tags: " + n.getKeysCount());
for (int j = 0; j < n.getKeysCount(); j++) {
String key = getStringById(n.getKeys(j));
String val = getStringById(n.getVals(j));
System.out.println(" " + key + "=" + val);
}
}
}
protected final void parseDense(Osmformat.DenseNodes nodes) {
System.out.println("Parsing dense nodes");
long lastId = 0, lastLat = 0, lastLon = 0;
int kvid = 0;
for (int i = 0; i < nodes.getIdCount(); i++) {
long lat = nodes.getLat(i) + lastLat;
long lon = nodes.getLon(i) + lastLon;
long id = nodes.getId(i) + lastId;
lastLat = lat;
lastLon = lon;
lastId = id;
System.out.println(" node:" + id);
System.out.println(" Lat/Lon: " + lat + "," + lon);
if (nodes.getKeysValsCount() > 0) {
while (nodes.getKeysVals(kvid) != 0) {
int keyid = nodes.getKeysVals(kvid++);
int valid = nodes.getKeysVals(kvid++);
String key = getStringById(keyid);
String val = getStringById(valid);
System.out.println(" " + key + "=" + val);
}
kvid++; // Skip over the '0' delimiter.
}
}
}
protected void parseWays(List<Osmformat.Way> ways) {
System.out.println("Parsing ways");
for (Osmformat.Way w : ways) {
System.out.println(" way:" + w.getId());
System.out.println(" Tags: " + w.getKeysCount());
for (int j = 0; j < w.getKeysCount(); j++) {
String key = getStringById(w.getKeys(j));
String val = getStringById(w.getVals(j));
System.out.println(" " + key + "=" + val);
}
System.out.println("");
System.out.println(" Nodes: " + w.getRefsCount());
long nid = 0;
for (long idDelta : w.getRefsList()) {
nid += idDelta;
System.out.println(" nd:" + nid);
}
}
}
protected void parseRelations(List<Osmformat.Relation> rels) {
System.out.println("Parsing relations");
for (Osmformat.Relation r : rels) {
System.out.println(" relation:" + r.getId());
System.out.println(" Tags: " + r.getKeysCount());
for (int j = 0; j < r.getKeysCount(); j++) {
String key = getStringById(r.getKeys(j));
String val = getStringById(r.getVals(j));
System.out.println(" " + key + "=" + val);
}
System.out.println("");
System.out.println(" Members: " + r.getMemidsCount());
long lastMid = 0;
for (int j = 0; j < r.getMemidsCount(); j++) {
long mid = lastMid + r.getMemids(j);
lastMid = mid;
String role = getStringById(r.getRolesSid(j));
System.out.println(" role:" + role);
System.out.println(" type:" + r.getTypes(j));
System.out.println(" ref:" + mid);
System.out.println("");
}
}
}
public void complete() {
System.out.println("Parsing complete");
}
}
}
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