net.hasor.dataql.result.ValueModel Maven / Gradle / Ivy
/*
* Copyright 2008-2009 the original author or authors.
*
* 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 net.hasor.dataql.result;
import java.math.BigDecimal;
import java.math.BigInteger;
/**
* 值类型结果
* @author 赵永春([email protected])
* @version : 2017-03-23
*/
public class ValueModel implements DataModel {
private Object value = null;
public ValueModel(Object value) {
this.value = value;
}
//
public Object getOriValue() {
return this.value;
}
public Boolean asBoolean() {
if (value == null) {
return null;
}
if (value instanceof Boolean) {
return (Boolean) value;
}
if (value instanceof Number) {
return ((Number) value).intValue() == 1;
}
if (value instanceof String) {
String strVal = (String) value;
if (strVal.length() == 0 //
|| "null".equals(strVal) //
|| "NULL".equals(strVal)) {
return null;
}
if ("true".equalsIgnoreCase(strVal) //
|| "1".equals(strVal)) {
return Boolean.TRUE;
}
if ("false".equalsIgnoreCase(strVal) //
|| "0".equals(strVal)) {
return Boolean.FALSE;
}
}
throw new ClassCastException("can not cast to boolean, value : " + value);
}
public String asString() {
return this.value == null ? null : this.value.toString();
}
public Byte asByte() {
if (value == null) {
return null;
}
if (value instanceof Number) {
return ((Number) value).byteValue();
}
if (value instanceof String) {
String strVal = (String) value;
if (strVal.length() == 0 //
|| "null".equals(strVal) //
|| "NULL".equals(strVal)) {
return null;
}
return Byte.parseByte(strVal);
}
throw new ClassCastException("can not cast to byte, value : " + value);
}
public Short asShort() {
if (value == null) {
return null;
}
if (value instanceof Number) {
return ((Number) value).shortValue();
}
if (value instanceof String) {
String strVal = (String) value;
if (strVal.length() == 0 //
|| "null".equals(strVal) //
|| "NULL".equals(strVal)) {
return null;
}
return Short.parseShort(strVal);
}
throw new ClassCastException("can not cast to short, value : " + value);
}
public Integer asInt() {
if (value == null) {
return null;
}
if (value instanceof Integer) {
return (Integer) value;
}
if (value instanceof Number) {
return ((Number) value).intValue();
}
if (value instanceof String) {
String strVal = (String) value;
if (strVal.length() == 0 //
|| "null".equals(strVal) //
|| "NULL".equals(strVal)) {
return null;
}
if (strVal.indexOf(',') != 0) {
strVal = strVal.replaceAll(",", "");
}
return Integer.parseInt(strVal);
}
if (value instanceof Boolean) {
return ((Boolean) value).booleanValue() ? 1 : 0;
}
throw new ClassCastException("can not cast to int, value : " + value);
}
public Long asLong() {
if (value == null) {
return null;
}
if (value instanceof Number) {
return ((Number) value).longValue();
}
if (value instanceof String) {
String strVal = (String) value;
if (strVal.length() == 0 //
|| "null".equals(strVal) //
|| "NULL".equals(strVal)) {
return null;
}
if (strVal.indexOf(',') != 0) {
strVal = strVal.replaceAll(",", "");
}
try {
return Long.parseLong(strVal);
} catch (NumberFormatException ex) {
//
}
}
throw new ClassCastException("can not cast to long, value : " + value);
}
public Float asFloat() {
if (value == null) {
return null;
}
if (value instanceof Number) {
return ((Number) value).floatValue();
}
if (value instanceof String) {
String strVal = value.toString();
if (strVal.length() == 0 //
|| "null".equals(strVal) //
|| "NULL".equals(strVal)) {
return null;
}
if (strVal.indexOf(',') != 0) {
strVal = strVal.replaceAll(",", "");
}
return Float.parseFloat(strVal);
}
throw new ClassCastException("can not cast to float, value : " + value);
}
public Double asDouble() {
if (value == null) {
return null;
}
if (value instanceof Number) {
return ((Number) value).doubleValue();
}
if (value instanceof String) {
String strVal = value.toString();
if (strVal.length() == 0 //
|| "null".equals(strVal) //
|| "NULL".equals(strVal)) {
return null;
}
if (strVal.indexOf(',') != 0) {
strVal = strVal.replaceAll(",", "");
}
return Double.parseDouble(strVal);
}
throw new ClassCastException("can not cast to double, value : " + value);
}
public BigDecimal asBigDecimal() {
if (value == null) {
return null;
}
if (value instanceof BigDecimal) {
return (BigDecimal) value;
}
if (value instanceof BigInteger) {
return new BigDecimal((BigInteger) value);
}
String strVal = value.toString();
if (strVal.length() == 0) {
return null;
}
return new BigDecimal(strVal);
}
public BigInteger asBigInteger() {
if (value == null) {
return null;
}
if (value instanceof BigInteger) {
return (BigInteger) value;
}
if (value instanceof Float || value instanceof Double) {
return BigInteger.valueOf(((Number) value).longValue());
}
String strVal = value.toString();
if (strVal.length() == 0 //
|| "null".equals(strVal) //
|| "NULL".equals(strVal)) {
return null;
}
return new BigInteger(strVal);
}
}© 2015 - 2025 Weber Informatics LLC | Privacy Policy