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This commit is contained in:
Amitabh Tiwari
2021-11-06 05:53:22 +05:30
parent b56941596d
commit 56300022b1
4 changed files with 125 additions and 128 deletions
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44
core-java-modules/core-java/src/main/java/com/baeldung/util/MySerializationUtils.java Normal file
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@@ -0,0 +1,44 @@
package com.baeldung.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
public class MySerializationUtils {
public static <T extends Serializable> byte[] serialize(T obj) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(obj);
oos.close();
return baos.toByteArray();
}
public static <T extends Serializable> T deserialize(byte[] b, Class<T> cl) throws IOException, ClassNotFoundException {
ByteArrayInputStream bais = new ByteArrayInputStream(b);
ObjectInputStream ois = new ObjectInputStream(bais);
Object o = ois.readObject();
return cl.cast(o);
}
public static boolean isSerializable(Class<?> it) {
boolean serializable = it.isPrimitive() || it.isInterface() || Serializable.class.isAssignableFrom(it);
if (!serializable) {
return serializable;
}
Field[] declaredFields = it.getDeclaredFields();
for (Field field : declaredFields) {
if (Modifier.isVolatile(field.getModifiers()) || Modifier.isTransient(field.getModifiers()) || Modifier.isStatic(field.getModifiers())) {
continue;
}
Class<?> fieldType = field.getType();
return isSerializable(fieldType);
}
return serializable;
}
}

47
core-java-modules/core-java/src/main/java/com/baeldung/util/SerializationUtils.java
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@@ -1,47 +0,0 @@
package com.baeldung.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
public class SerializationUtils {
public static <T extends Serializable> byte[] serialize(T obj) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(obj);
oos.close();
return baos.toByteArray();
}
public static <T extends Serializable> T deserialize(byte[] b, Class<T> cl)
throws IOException, ClassNotFoundException {
ByteArrayInputStream bais = new ByteArrayInputStream(b);
ObjectInputStream ois = new ObjectInputStream(bais);
Object o = ois.readObject();
return cl.cast(o);
}
public static boolean isSerializable(Class<?> it) {
boolean serializable = it.isPrimitive() || it.isInterface() || Serializable.class.isAssignableFrom(it);
if (!serializable) {
return serializable;
}
Field[] declaredFields = it.getDeclaredFields();
for (Field field : declaredFields) {
if (Modifier.isVolatile(field.getModifiers())
|| Modifier.isTransient(field.getModifiers())
|| Modifier.isStatic(field.getModifiers())) {
continue;
}
Class<?> fieldType = field.getType();
return isSerializable(fieldType);
}
return serializable;
}
}