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/**
* ============LICENSE_START====================================================
* org.onap.ccsdk
* ===========================================================================
* Copyright (c) 2023 AT&T Intellectual Property. All rights reserved.
* ===========================================================================
* 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.
* ============LICENSE_END====================================================
*
*/
package org.onap.ccsdk.apps.cadi.util;
import java.util.List;
public class Vars {
/**
* Simplified Conversion based on typical use of getting AT&T style RESTful Error Messages
* @param text
* @param vars
* @return
*/
public static String convert(final String text, final List<String> vars) {
StringBuilder sb = new StringBuilder();
Object[] array = new Object[vars.size()];
convert(sb,text,vars.toArray(array));
return sb.toString();
}
/**
* Convert a format string with "%s" into AT&T RESTful Error %1 %2 (number) format
* If "holder" is passed in, it is built with full Message extracted (typically for Logging)
* @param holder
* @param text
* @param vars
* @return
*/
public static String convert(final StringBuilder holder, final String text, final Object ... vars) {
StringBuilder sb = null;
int idx,index=0,prev = 0;
if (text.contains("%s")) {
sb = new StringBuilder();
}
StringBuilder[] sbs = new StringBuilder[] {sb,holder};
boolean replace, clearIndex = false;
int c;
while ((idx=text.indexOf('%',prev))>=0) {
replace = false;
if (clearIndex) {
index=0;
}
if (sb!=null) {
sb.append(text,prev,idx);
}
if (holder!=null) {
holder.append(text,prev,idx);
}
boolean go = true;
while (go) {
if (text.length()>++idx) {
switch(c=text.charAt(idx)) {
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
index *=10;
index +=(c-'0');
clearIndex=replace=true;
continue;
case 's':
++index;
replace = true;
continue;
default:
break;
}
}
prev = idx;
go=false;
if (replace) {
if (sb!=null) {
sb.append('%');
sb.append(index);
}
if (index<=vars.length) {
if (holder!=null) {
holder.append(vars[index-1]);
}
}
} else {
for (StringBuilder s : sbs) {
if (s!=null) {
s.append("%");
}
}
}
}
}
if (sb!=null) {
sb.append(text,prev,text.length());
}
if (holder!=null) {
holder.append(text,prev,text.length());
}
return sb==null?text:sb.toString();
}
}
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