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/*
* Copyright 2011 stanislawbartkowski@gmail.com
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.ibm.sampledb.client;

import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

class CreateJson {

private final String objectName;

private class JsonElem {
final String val;
final boolean number;

JsonElem(String val, boolean number) {
this.val = val;
this.number = number;
}

public String getVal() {
return val;
}

public boolean isNumber() {
return number;
}
}

private final Map<String, JsonElem> vals = new HashMap<String, JsonElem>();

CreateJson(String objectName) {
this.objectName = objectName;
}

void addElem(String key, String val, boolean isNumber) {
vals.put(key, new JsonElem(val, isNumber));
}

void addElem(String key, String val) {
addElem(key, val, false);
}

private String convertS(String s) {
if (s == null) {
return null;
}
String r = s.replace('\'', ' ');
return r;
}

String createJsonString() {
String res = "{ \"" + objectName + "\": {";
boolean first = true;
for (Entry<String, JsonElem> e : vals.entrySet()) {
if (!first) {
res += " , ";
}
first = false;
String val;
if (e.getValue().getVal() == null) {
val = "null";
} else if (e.getValue().isNumber()) {
val = e.getValue().getVal();
} else {
val = '\"' + convertS(e.getValue().getVal()) + '\"';
}
res += '\"' + e.getKey() + "\" : " + val;
}
res += "}}";
return res;
}
}

Change log

r359 by stanislawbartkowski on May 1, 2011   Diff
Next version of SampleGwt - refactoring
and printing
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Older revisions

r355 by stanislawbartkowski on Apr 3, 2011   Diff
Next version with "dynamic" Java
Script
r353 by stanislawbartkowski on Mar 14, 2011   Diff
Extension to the gwt sample database
application
All revisions of this file

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