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OmitValue.java
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206 lines (169 loc) · 6.88 KB
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package com.jsoniter.spi;
import java.lang.reflect.Type;
public interface OmitValue {
boolean shouldOmit(Object val);
String code();
class Null implements OmitValue {
@Override
public boolean shouldOmit(Object val) {
return val == null;
}
@Override
public String code() {
return "null == %s";
}
}
class ZeroByte implements OmitValue {
@Override
public boolean shouldOmit(Object val) {
return (Byte) val == 0;
}
@Override
public String code() {
return "0 == %s";
}
}
class ZeroShort implements OmitValue {
@Override
public boolean shouldOmit(Object val) {
return (Short) val == 0;
}
@Override
public String code() {
return "0 == %s";
}
}
class ZeroInt implements OmitValue {
@Override
public boolean shouldOmit(Object val) {
return ((Integer) val) == 0;
}
@Override
public String code() {
return "0 == %s";
}
}
class ZeroLong implements OmitValue {
@Override
public boolean shouldOmit(Object val) {
return ((Long) val) == 0;
}
@Override
public String code() {
return "0 == %s";
}
}
class ZeroFloat implements OmitValue {
@Override
public boolean shouldOmit(Object val) {
return ((Float) val) == 0;
}
@Override
public String code() {
return "0 == %s";
}
}
class ZeroDouble implements OmitValue {
@Override
public boolean shouldOmit(Object val) {
return ((Double) val) == 0;
}
@Override
public String code() {
return "0 == %s";
}
}
class ZeroChar implements OmitValue {
@Override
public boolean shouldOmit(Object val) {
return (Character) val == 0;
}
@Override
public String code() {
return "0 == %s";
}
}
class False implements OmitValue {
@Override
public boolean shouldOmit(Object val) {
return !((Boolean) val);
}
@Override
public String code() {
return "false == %s";
}
}
class Parsed implements OmitValue {
private final Object defaultValue;
private final String code;
public Parsed(Object defaultValue, String code) {
this.defaultValue = defaultValue;
this.code = code;
}
public static OmitValue parse(Type valueType, String defaultValueToOmit) {
if ("void".equals(defaultValueToOmit)) {
return null;
} else if ("null".equals(defaultValueToOmit)) {
return new OmitValue.Null();
} else if (boolean.class.equals(valueType)) {
Boolean defaultValue = Boolean.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + " == %s");
} else if (Boolean.class.equals(valueType)) {
Boolean defaultValue = Boolean.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + " == %s.booleanValue()");
} else if (int.class.equals(valueType)) {
Integer defaultValue = Integer.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + " == %s");
} else if (Integer.class.equals(valueType)) {
Integer defaultValue = Integer.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + " == %s.intValue()");
} else if (byte.class.equals(valueType)) {
Byte defaultValue = Byte.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + " == %s");
} else if (Byte.class.equals(valueType)) {
Byte defaultValue = Byte.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + " == %s.byteValue()");
} else if (short.class.equals(valueType)) {
Short defaultValue = Short.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + " == %s");
} else if (Short.class.equals(valueType)) {
Short defaultValue = Short.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + " == %s.shortValue()");
} else if (long.class.equals(valueType)) {
Long defaultValue = Long.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + "L == %s");
} else if (Long.class.equals(valueType)) {
Long defaultValue = Long.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + "L == %s.longValue()");
} else if (float.class.equals(valueType)) {
Float defaultValue = Float.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + "F == %s");
} else if (Float.class.equals(valueType)) {
Float defaultValue = Float.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + "F == %s.floatValue()");
} else if (double.class.equals(valueType)) {
Double defaultValue = Double.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + "D == %s");
} else if (Double.class.equals(valueType)) {
Double defaultValue = Double.valueOf(defaultValueToOmit);
return new OmitValue.Parsed(defaultValue, defaultValueToOmit + "D == %s.doubleValue()");
} else if (char.class.equals(valueType) && defaultValueToOmit.length() == 1) {
Character defaultValue = defaultValueToOmit.charAt(0);
return new OmitValue.Parsed(defaultValue, "'" + defaultValueToOmit + "' == %s");
} else if (Character.class.equals(valueType) && defaultValueToOmit.length() == 1) {
Character defaultValue = defaultValueToOmit.charAt(0);
return new OmitValue.Parsed(defaultValue, "'" + defaultValueToOmit + "' == %s.charValue()");
} else {
throw new UnsupportedOperationException("failed to parse defaultValueToOmit: " + defaultValueToOmit);
}
}
@Override
public boolean shouldOmit(Object val) {
return defaultValue.equals(val);
}
@Override
public String code() {
return code;
}
}
}