com.firefly.utils.json.parser.CollectionParser Maven / Gradle / Ivy
package com.firefly.utils.json.parser;
import java.io.IOException;
import java.lang.reflect.Type;
import java.util.Collection;
import com.firefly.utils.json.JsonReader;
import com.firefly.utils.json.exception.JsonException;
public class CollectionParser extends ComplexTypeParser {
public CollectionParser(Type elementType) {
super(elementType);
}
@Override
@SuppressWarnings({ "rawtypes", "unchecked" })
public Object convertTo(JsonReader reader, Class clazz) throws IOException {
if(reader.isNull())
return null;
if(!reader.isArray())
throw new JsonException("json string is not array format");
Collection obj = null;
try {
obj = (Collection)clazz.newInstance();
} catch (Throwable e) {
e.printStackTrace();
}
if(reader.isEmptyArray())
return obj;
for(;;) {
obj.add(elementMetaInfo.getValue(reader));
char ch = reader.readAndSkipBlank();
if(ch == ']')
return obj;
if(ch != ',')
throw new JsonException("missing ','");
}
}
}