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A general programming library in Java/Android. It's easy to learn and simple to use with concise and powerful APIs.
/*
* Copyright (C) 2015 HaiYang Li
*
* 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.landawn.abacus.type;
import java.io.IOException;
import java.io.Writer;
import com.landawn.abacus.parser.SerializationConfig;
import com.landawn.abacus.util.CharacterWriter;
import com.landawn.abacus.util.IOUtil;
import com.landawn.abacus.util.N;
import com.landawn.abacus.util.Objectory;
import com.landawn.abacus.util.WD;
/**
*
* @author Haiyang Li
* @since 0.8
*/
public final class LongArrayType extends ObjectArrayType {
LongArrayType() {
super(Long[].class);
}
/**
*
* @param x
* @return
*/
@Override
public String stringOf(Long[] x) {
if (x == null) {
return null;
} else if (x.length == 0) {
return "[]";
}
final StringBuilder sb = Objectory.createStringBuilder();
sb.append(WD._BRACKET_L);
for (int i = 0, len = x.length; i < len; i++) {
if (i > 0) {
sb.append(ELEMENT_SEPARATOR);
}
if (x[i] == null) {
sb.append(NULL_CHAR_ARRAY);
} else {
sb.append(x[i]);
}
}
sb.append(WD._BRACKET_R);
String str = sb.toString();
Objectory.recycle(sb);
return str;
}
/**
*
* @param str
* @return
*/
@Override
public Long[] valueOf(String str) {
if (str == null) {
return null;
} else if (str.length() == 0 || "[]".equals(str)) {
return N.EMPTY_LONG_OBJ_ARRAY;
}
String[] strs = split(str);
int len = strs.length;
Long[] a = new Long[len];
if (len > 0) {
for (int i = 0; i < len; i++) {
if (strs[i].length() == 4 && strs[i].equals(NULL_STRING)) {
a[i] = null;
} else {
a[i] = elementType.valueOf(strs[i]);
}
}
}
return a;
}
/**
*
* @param writer
* @param x
* @throws IOException Signals that an I/O exception has occurred.
*/
@Override
public void write(Writer writer, Long[] x) throws IOException {
if (x == null) {
writer.write(NULL_CHAR_ARRAY);
} else {
writer.write(WD._BRACKET_L);
for (int i = 0, len = x.length; i < len; i++) {
if (i > 0) {
writer.write(ELEMENT_SEPARATOR);
}
if (x[i] == null) {
writer.write(NULL_CHAR_ARRAY);
} else {
IOUtil.write(writer, x[i]);
}
}
writer.write(WD._BRACKET_R);
}
}
/**
*
* @param writer
* @param x
* @param config
* @throws IOException Signals that an I/O exception has occurred.
*/
@Override
public void writeCharacter(CharacterWriter writer, Long[] x, SerializationConfig config) throws IOException {
if (x == null) {
writer.write(NULL_CHAR_ARRAY);
} else {
writer.write(WD._BRACKET_L);
for (int i = 0, len = x.length; i < len; i++) {
if (i > 0) {
writer.write(ELEMENT_SEPARATOR);
}
if (x[i] == null) {
writer.write(NULL_CHAR_ARRAY);
} else {
writer.write(x[i]);
}
}
writer.write(WD._BRACKET_R);
}
}
}