graphql.util.EscapeUtil Maven / Gradle / Ivy
package graphql.util;
import graphql.Internal;
@Internal
public final class EscapeUtil {
private EscapeUtil() {
}
/**
* Encodes the value as a JSON string according to http://json.org/ rules
*
* @param stringValue the value to encode as a JSON string
*
* @return the encoded string
*/
public static String escapeJsonString(String stringValue) {
int len = stringValue.length();
StringBuilder sb = new StringBuilder(len);
for (int i = 0; i < len; i++) {
char ch = stringValue.charAt(i);
switch (ch) {
case '"':
sb.append("\\\"");
break;
case '\\':
sb.append("\\\\");
break;
case '\b':
sb.append("\\b");
break;
case '\f':
sb.append("\\f");
break;
case '\n':
sb.append("\\n");
break;
case '\r':
sb.append("\\r");
break;
case '\t':
sb.append("\\t");
break;
default:
sb.append(ch);
}
}
return sb.toString();
}
}