/* sets the parts of speech for each node in the graph */
public void addPOS() {
System.out.println("Running POS tagger...");
/* parameters for exec command */
File dir = new File("/home/josh/Desktop/Artificial_Intelligence/POS_Tagger");
/* where we are placing the file to parse */
File result = new File(file.toString() + ".pos");
int i = 1;
String s = null, data = "";
try {
/* command to run the POS tagger */
String command =
"java -mx300m -classpath stanford-postagger.jar edu.stanford.nlp.tagger.maxent.MaxentTagger -model models/"
+ "bidirectional-distsim-wsj-0-18.tagger -textFile "
+ file.toString();
/* run the process */
Process p = Runtime.getRuntime().exec(command, null, dir);
i = p.waitFor();
BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream()));
BufferedReader stdError = new BufferedReader(new InputStreamReader(p.getErrorStream()));
/* extract the data from the command */
while ((s = stdInput.readLine()) != null) {
/* copy the data into one string */
data += s;
}
/* place the data in a .pos text file */
byte[] buffer = data.getBytes();
FileOutputStream fout = new FileOutputStream(result, false);
fout.write(buffer);
fout.close();
/* read any errors from the attempted command */
while ((s = stdError.readLine()) != null) {
System.out.println(s);
}
} catch (Exception e) {
System.out.println("Exception happened - here's what I know: ");
e.printStackTrace();
System.exit(-1);
}
/* wait for the above process to complete */
while (i == 1) ;
/* update our file to include the POS tags */
this.file = result;
}
/* for a new file */
private void load(String data) {
try {
/* create a FileInputStream */
FileOutputStream fout = new FileOutputStream(file, false);
/* add the timestamp to the data */
data = timestamp.toString() + SEPARATOR_TOKEN + data;
/* read the data into a byte array */
fout.write(data.getBytes());
/* close the stream */
fout.close();
} catch (Exception e) {
System.out.println("IO Error: " + e);
}
}
/* public methods */
public void add(String text) {
try {
/* create a FileOutputStream */
FileOutputStream fout = new FileOutputStream(file, true); // append
/* write data to the file */
fout.write(text.getBytes());
/* close the data stream */
fout.close();
} catch (Exception e) {
System.out.println("IO Error: " + e);
}
data += text;
}
public static void writeImage(String fn, byte[] data, int width, int height)
throws FileNotFoundException, IOException {
if (data != null) {
FileOutputStream fos = new FileOutputStream(fn);
fos.write(new String("P6\n").getBytes());
fos.write(new String(width + " " + height + "\n").getBytes());
fos.write(new String("255\n").getBytes());
System.out.println(data.length);
fos.write(data);
fos.close();
}
}
public static void main(String argv[]) throws Exception {
RetsSession session = new RetsSession("http://demo.crt.realtors.org:6103/rets/login");
if (!session.Login("Joe", "Schmoe")) {
System.out.println("Invalid login");
System.exit(2);
}
System.out.println("Action: " + session.GetAction());
RetsVersion version = session.GetDetectedRetsVersion();
System.out.println("RETS Version: " + ((version == RetsVersion.RETS_1_5) ? "1.5" : "1.0"));
SearchRequest searchRequest =
session.CreateSearchRequest("Property", "RES", "(ListPrice=300000-)");
searchRequest.SetSelect("ListingID,ListPrice,Beds,City");
searchRequest.SetLimit(SearchRequest.LIMIT_DEFAULT);
searchRequest.SetOffset(SearchRequest.OFFSET_NONE);
searchRequest.SetCountType(SearchRequest.CountType.RECORD_COUNT_AND_RESULTS);
searchRequest.SetFormatType(SearchRequest.FormatType.COMPACT);
searchRequest.SetStandardNames(true);
try {
File f = new File("rawsearch.xml");
FileOutputStream fop = new FileOutputStream(f);
byte[] data = session.SearchAsArray(searchRequest);
fop.write(data);
fop.flush();
fop.close();
} catch (IOException e) {
}
LogoutResponse logout = session.Logout();
SearchResultSet results = new SearchResultSet();
// Reopen the file now for input
try {
File f = new File("rawsearch.xml");
byte[] buffer = new byte[(int) f.length()];
FileInputStream fip = new FileInputStream(f);
int offset = 0;
int numRead = 0;
while (offset < buffer.length
&& (numRead = fip.read(buffer, offset, buffer.length - offset)) >= 0) offset += numRead;
results.SetEncoding(EncodingType.RETS_XML_DEFAULT_ENCODING);
results.SetDataAsArray(buffer);
} catch (IOException e) {
}
System.out.println("Record count: " + results.GetCount());
StringVector columns = results.GetColumns();
while (results.HasNext()) {
if (columns == null) {
columns = results.GetColumns();
}
for (int i = 0; i < columns.size(); i++) {
System.out.format("%15s: %s\n", columns.get(i), results.GetString(columns.get(i)));
}
System.out.println();
}
/*
* Prototype for returning data in a stream.
try
{
File f=new File("foobarty");
FileOutputStream fop=new FileOutputStream(f);
CppInputStream data = session.SearchAsStream(searchRequest);
byte [] buf = new byte[30];
int len;
while ((len = data.read(buf, 0, 30)) > 0)
{
fop.write(buf, 0, len);
}
fop.flush();
fop.close();
}
catch (IOException e) {}
* end prototype */
}
/** Writes a char from file. */
public void writeChar(char _c) throws Exception {
byte[] b = new byte[1];
b[0] = (byte) _c;
fileOutput.write(b);
}
/** Close the file we've writen. */
public void closeWrite() throws Exception {
fileOutput.close();
}