package com.dropbox.core;
import com.dropbox.core.json.JsonDateExtractor;
import com.dropbox.core.util.DumpWriter;
import static com.dropbox.core.util.StringUtil.jq;
import java.util.Calendar;
import java.util.Collection;
import java.util.Date;
import java.util.GregorianCalendar;
/**
* A common superclass for the data model classes. Contains a function to dump
* the data (for debugging purposes).
*/
public abstract class DbxDataObject
{
/**
* Like {@link #toString} except returns a multi-line string. Every line will
* always end in a {@code "\n"}.
*
* <p>
* Don't depend on the format of the output to stay the same. Newer versions of the SDK
* may change the format.
* </p>
*/
public final String toStringMultiline()
{
StringBuilder buf = new StringBuilder();
dump(new DumpWriter(buf, 0, 2));
return buf.toString();
}
/**
* Like {@link #toStringMultiline()}, but appends the result to {@code buf}
* instead of returning a string.
*
* <p>
* Don't depend on the format of the output to stay the same. Newer versions of the SDK
* may change the format.
* </p>
*
* @param currentIndent
* The number of spaces to use as the initial indentation level.
*/
public final void toStringMultiline(StringBuilder buf, int currentIndent)
{
dump(new DumpWriter(buf, currentIndent, 2));
}
public final void dump(DumpWriter out)
{
String typeName = getTypeName();
if (typeName != null) {
out.write(typeName).write(" ");
}
out.structStart();
dumpFields(out);
out.structEnd();
}
protected String getTypeName() { return null; }
protected abstract void dumpFields(DumpWriter out);
public static void dump(DumpWriter out, DbxDataObject v)
{
if (v == null) {
out.writeln("null");
} else {
v.dump(out);
}
}
public static void dump(DumpWriter out, Date v)
{
out.writeln(toStringDate(v));
}
public static String toStringDate(Date date)
{
if (date == null) {
return "null";
} else {
StringBuilder buf = new StringBuilder();
GregorianCalendar c = new GregorianCalendar(JsonDateExtractor.UTC);
c.setTime(date);
String year = Integer.toString(c.get(Calendar.YEAR));
String month = zeroPad(Integer.toString(c.get(Calendar.MONTH) + 1), 2);
String day = zeroPad(Integer.toString(c.get(Calendar.DAY_OF_MONTH)), 2);
String hour = zeroPad(Integer.toString(c.get(Calendar.HOUR_OF_DAY)), 2);
String minute = zeroPad(Integer.toString(c.get(Calendar.MINUTE)), 2);
String second = zeroPad(Integer.toString(c.get(Calendar.SECOND)), 2);
buf.append('"');
buf.append(year).append("/").append(month).append("/").append(day).append(" ");
buf.append(hour).append(":").append(minute).append(":").append(second).append(" UTC");
buf.append('"');
return buf.toString();
}
}
private static String zeroPad(String v, int desiredLength)
{
while (v.length() < desiredLength) {
v = "0" + v;
}
return v;
}
public static void dump(DumpWriter out, Collection<? extends DbxDataObject> v)
{
if (v.isEmpty()) {
out.writeln("[]");
}
else {
out.startIndent("(" + v.size() + ") [");
for (DbxDataObject o : v) {
dump(out, o);
}
out.endIndent("]");
}
}
public static void dump(DumpWriter out, String v)
{
if (v == null) {
out.writeln("null");
} else {
out.writeln(jq(v));
}
}
}