com.ibm.maximo.oslc.QueryWhere Maven / Gradle / Ivy
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The Maximo REST client library provides a set of driver API's which can be consumed by an JAVA based web component that would like to interface with a Maximo instance
/*
* Licensed Materials - Property of IBM
*
* (C) COPYRIGHT IBM CORP. 2015 All Rights Reserved
*
* US Government Users Restricted Rights - Use, duplication or
* disclosure restricted by GSA ADP Schedule Contract with
* IBM Corp.
*/
package com.ibm.maximo.oslc;
import java.io.UnsupportedEncodingException;
import java.util.LinkedHashMap;
import javax.xml.datatype.DatatypeConfigurationException;
import java.util.*;
public class QueryWhere {
private StringBuffer strbWhere = new StringBuffer();
private Map map = new LinkedHashMap();
private String currentKey;
public QueryWhere where(String name)
{
currentKey = name;
return this;
}
public QueryWhere and(String name)
{
if(name.indexOf('.')>0)
{
String[] attrPath = name.split("\\.");
Map childMap = (Map)map.get(attrPath[0]);
if(childMap == null)
{
childMap = new LinkedHashMap();
map.put(attrPath[0], childMap);
}
}
currentKey = name;
return this;
}
private Map getCurrentMap()
{
if(currentKey.indexOf('.')>0)
{
String[] attrPath = currentKey.split("\\.");
return (Map)map.get(attrPath[0]);
}
return map;
}
private String getCurrentKey()
{
if(currentKey.indexOf('.')>0)
{
String[] attrPath = currentKey.split("\\.");
return attrPath[1];
}
return currentKey;
}
private void setQueryToken(String s)
{
Map currMap = this.getCurrentMap();
String currKey = this.getCurrentKey();
if(currMap.containsKey(currKey))
{
currKey ="/"+currKey;
}
currMap.put(currKey, s);
}
public QueryWhere equalTo(Object value) throws DatatypeConfigurationException, UnsupportedEncodingException
{
String s = Util.stringValue(value);
this.setQueryToken("="+s);
return this;
}
public QueryWhere startsWith(String value) throws DatatypeConfigurationException, UnsupportedEncodingException
{
String s = Util.stringValue(value+"%");
this.setQueryToken("="+s);
return this;
}
public QueryWhere endsWith(String value) throws DatatypeConfigurationException, UnsupportedEncodingException
{
String s = Util.stringValue("%"+value);
this.setQueryToken("="+s);
return this;
}
public QueryWhere like(String value) throws DatatypeConfigurationException, UnsupportedEncodingException
{
String s = Util.stringValue("%"+value+"%");
this.setQueryToken("="+s);
return this;
}
public QueryWhere gt(Object value) throws DatatypeConfigurationException, UnsupportedEncodingException
{
String s = Util.stringValue(value);
this.setQueryToken(">"+s);
return this;
}
public QueryWhere gte(Object value) throws DatatypeConfigurationException, UnsupportedEncodingException
{
String s = Util.stringValue(value);
this.setQueryToken(">="+s);
return this;
}
public QueryWhere lt(Object value) throws DatatypeConfigurationException, UnsupportedEncodingException
{
String s = Util.stringValue(value);
this.setQueryToken("<"+s);
return this;
}
public QueryWhere lte(Object value) throws DatatypeConfigurationException, UnsupportedEncodingException
{
String s = Util.stringValue(value);
this.setQueryToken("<="+s);
return this;
}
public QueryWhere in(Object... values) throws DatatypeConfigurationException, UnsupportedEncodingException
{
StringBuffer strb = new StringBuffer();
//strb.append("[");
for(Object o : values)
{
strb.append(Util.stringValue(o)+",");
}
String s = strb.toString();
s = s.substring(0, s.length()-1);
//strb.append("]");
this.setQueryToken(" in "+"["+s+"]");
return this;
}
public String whereClause()
{
Set> set = map.entrySet();
int cnt = 0;
for(Map.Entry entry : set)
{
++cnt;
String key = entry.getKey();
if(key.startsWith("/"))
{
key = key.substring(1);
}
Object value = entry.getValue();
strbWhere.append(key);
if(value instanceof String)
{
strbWhere.append(value);
}
else
{
Map childMap = (Map)value;
strbWhere.append("{");
Set> cset = childMap.entrySet();
int ccnt = 0;
for(Map.Entry centry : cset)
{
++ccnt;
String cKey = centry.getKey();
if(cKey.startsWith("/"))
{
cKey = cKey.substring(1);
}
String cValue = centry.getValue();
strbWhere.append(cKey);
strbWhere.append(cValue);
if(cset.size()>ccnt)
{
strbWhere.append(" and ");
}
}
strbWhere.append("}");
}
if(set.size()>cnt)
{
strbWhere.append(" and ");
}
}
String where = strbWhere.toString();
return where;
}
public static void main(String[] args) throws UnsupportedEncodingException, DatatypeConfigurationException
{
String where = (new QueryWhere()).where("wonum").equalTo("hello").and("statusdate").gt(new Date()).and("statusdate").lte(new Date()).and("wotask.status").in("APPR","WAPPR").and("wotask.qty").lte(100).and("type").startsWith("CT").whereClause();
System.out.println(where);
}
}