print members of map in defined order

This commit is contained in:
Peter Hormanns 2014-06-17 15:35:31 +02:00
parent bf28f2a755
commit 1b01d43a61

View File

@ -1,14 +1,15 @@
package de.hsadmin.jscli.json;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class JSONFormatter {
private int indent = 1;
public String format(Object object) {
public String format(final Object object) {
if (object == null) return "";
if (object instanceof List<?>) {
return formatList((List<?>) object);
@ -25,14 +26,15 @@ public class JSONFormatter {
return "an instance of " + object.getClass().getCanonicalName();
}
public String formatMap(Map<?, ?> map) {
StringBuffer result = new StringBuffer();
public String formatMap(final Map<?, ?> map) {
final StringBuffer result = new StringBuffer();
result.append('{');
incr();
result.append(newline());
StringBuffer formattedMap = new StringBuffer();
Set<?> keySet = map.keySet();
for (Object key : keySet) {
final StringBuffer formattedMap = new StringBuffer();
final List<String> listOfKeys = Arrays.asList(map.keySet().toArray(new String[] {}));
Collections.sort(listOfKeys);
for (final Object key : listOfKeys) {
if (formattedMap.length() > 0) {
formattedMap.append(',');
formattedMap.append(newline());
@ -48,15 +50,15 @@ public class JSONFormatter {
return result.toString();
}
public String formatString(String str) {
public String formatString(final String str) {
return "'" + str + "'";
}
public String formatList(List<?> list) {
public String formatList(final List<?> list) {
return formatArr(list.toArray());
}
public String formatArr(Object[] arr) {
public String formatArr(final Object[] arr) {
StringBuffer result = new StringBuffer();
result.append('[');
incr();