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oms3.dsl.Output Maven / Gradle / Ivy
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package oms3.dsl;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.lang.reflect.Array;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.EventObject;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.TreeSet;
import java.util.logging.Logger;
import oms3.*;
import oms3.Notification.*;
import oms3.io.DataIO;
/**
*
* @author od
*/
public class Output implements Buildable {
protected static final Logger log = Logger.getLogger("oms3.sim");
private class V {
String token;
String name;
int[] idx;
Object val;
V(String token, String name, int[] idx) {
this.token = token;
this.name = name;
this.idx = idx;
}
Object value() {
return (idx == null) ? val : Util.accessArray(name, val, idx);
}
String token() {
if (idx == null && val.getClass().isArray()) {
int len = Array.getLength(val);
StringBuilder b = new StringBuilder();
for (int i = 0; i < len - 1; i++) {
b.append(token + "[" + i + "],");
}
b.append(token + "[" + (len - 1) + "]");
return b.toString();
}
return token;
}
String valueString() {
Object v = value();
if (v == null) {
throw new IllegalArgumentException("Missing output: " + token);
}
if (v.getClass() == Double.class) {
return String.format(Locale.US, fformat, v);
} else if (v instanceof Calendar) {
return dfmt.format(((Calendar) v).getTime());
} else if (v instanceof double[]) {
return dblfmt((double[]) v);
}
return v.toString();
}
String dblfmt(double[] d) {
StringBuilder b = new StringBuilder();
for (int i = 0; i < d.length - 1; i++) {
b.append(String.format(Locale.US, fformat, d[i]));
b.append(',');
}
b.append(String.format(Locale.US, fformat, d[d.length - 1]));
return b.toString();
}
String type() {
if (idx == null && val.getClass().isArray()) {
String t = val.getClass().getComponentType().getSimpleName();
int len = Array.getLength(val);
StringBuilder b = new StringBuilder();
for (int i = 0; i < len - 1; i++) {
b.append(t + ",");
}
b.append(t);
return b.toString();
}
if (val != null && value() instanceof Calendar) {
return "Date";
}
return val == null ? "null" : value().getClass().getSimpleName();
}
}
final List vars = new ArrayList();
Set d = new TreeSet();
//
String file;
//
PrintWriter w;
boolean printHeader = true;
//
String fformat = "%7.3f";
String dformat = "%10d";
SimpleDateFormat dfmt = Conversions.ISO();
public void setDateformat(String dateformat) {
dfmt = new SimpleDateFormat(dateformat);
}
public void setFloatformat(String format) {
fformat = (!format.startsWith("%")) ? ('%' + format) : format;
}
public void setDecimalformat(String format) {
dformat = (!format.startsWith("%")) ? ('%' + format) : format;
}
public void setFile(String file) {
this.file = file;
}
public void setVars(String varlist) {
StringTokenizer t = new StringTokenizer(varlist, ";,:");
while (t.hasMoreTokens()) {
String var = t.nextToken().trim();
String[] l = Conversions.parseArrayElement(var);
vars.add(new V(var, l[0], Util.arraysDims(l)));
d.add(l[0]);
}
}
@Override
public Buildable create(Object name, Object value) {
return LEAF;
}
public void setup(Object comp, File dir, final String header) throws IOException {
printHeader = true;
if (!dir.exists()) {
dir.mkdirs();
}
if (vars.isEmpty()) {
throw new IllegalArgumentException("no variables to output.");
}
if (comp instanceof Compound) {
Compound c = (Compound) comp;
if (file != null) {
w = new PrintWriter(new FileWriter(new File(dir, file), false));
} else {
w = new PrintWriter(new OutputStreamWriter(System.out));
}
c.addListener(new Listener() {
int count = 0;
int vars_size = vars.size();
@Override
public void notice(Type T, EventObject E) {
if (T == Type.OUT) {
DataflowEvent e = (DataflowEvent) E;
String fieldName = e.getAccess().getField().getName();
if (d.contains(fieldName)) {
synchronized (vars) {
for (V v : vars) {
if (v.name.equals(fieldName)) {
v.val = e.getValue();
count++;
}
}
if (count == vars_size) {
if (printHeader) {
printHeader(header);
}
printRow();
count = 0;
}
}
}
}
}
});
}
}
void printHeader(String header) {
w.println("@T, \"" + header + "\"");
w.println(" " + DataIO.KEY_CREATED_AT + ", \"" + new Date() + "\"");
w.println(" " + DataIO.DATE_FORMAT + ", " + dfmt.toPattern());
String dig = System.getProperty("oms3.digest");
if (dig != null) {
w.println(" " + DataIO.KEY_DIGEST + "," + dig);
}
w.print("@H");
for (V v : vars) {
w.print(", " + v.token());
}
w.println();
w.print(" " + DataIO.KEY_TYPE);
for (V v : vars) {
w.print(", " + v.type());
}
w.println();
printHeader = false;
}
void printRow() {
for (V v : vars) {
w.print(", " + v.valueString());
}
w.println();
}
public void done() throws IOException {
w.flush();
if (file != null) {
w.close();
}
}
}