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Merge remote-tracking branch 'upstream/master'

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This commit is contained in:
DianeDuan
2016-11-19 15:15:12 +08:00
parent d2e52b4368 da66ba8955
commit 95425deb3c
131 changed files with 3097 additions and 386 deletions
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core-java/pom.xml
+8 -1
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@@ -46,6 +46,11 @@
<version>3.3</version>
</dependency>
<dependency>
<groupId>org.bouncycastle</groupId>
<artifactId>bcprov-jdk15on</artifactId>
<version>${bouncycastle.version}</version>
</dependency>
<!-- web -->
<!-- marshalling -->
@@ -129,7 +134,7 @@
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.10</version>
<version>${commons-codec.version}</version>
</dependency>
</dependencies>
@@ -333,6 +338,8 @@
<!-- util -->
<guava.version>19.0</guava.version>
<commons-lang3.version>3.4</commons-lang3.version>
<bouncycastle.version>1.55</bouncycastle.version>
<commons-codec.version>1.10</commons-codec.version>
<!-- testing -->
<org.hamcrest.version>1.3</org.hamcrest.version>
core-java/src/main/java/com/baeldung/hashing/SHA256Hashing.java
+51
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@@ -0,0 +1,51 @@
package com.baeldung.hashing;
import com.google.common.hash.Hashing;
import org.apache.commons.codec.digest.DigestUtils;
import org.bouncycastle.util.encoders.Hex;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class SHA256Hashing {
public static String HashWithJavaMessageDigest(final String originalString)
throws NoSuchAlgorithmException {
final MessageDigest digest = MessageDigest.getInstance("SHA-256");
final byte[] encodedhash = digest.digest(
originalString.getBytes(StandardCharsets.UTF_8));
return bytesToHex(encodedhash);
}
public static String HashWithGuava(final String originalString) {
final String sha256hex = Hashing.sha256().hashString(
originalString, StandardCharsets.UTF_8).toString();
return sha256hex;
}
public static String HashWithApacheCommons(final String originalString) {
final String sha256hex = DigestUtils.sha256Hex(originalString);
return sha256hex;
}
public static String HashWithBouncyCastle(final String originalString)
throws NoSuchAlgorithmException {
final MessageDigest digest = MessageDigest.getInstance("SHA-256");
final byte[] hash = digest.digest(
originalString.getBytes(StandardCharsets.UTF_8));
final String sha256hex = new String(Hex.encode(hash));
return sha256hex;
}
private static String bytesToHex(byte[] hash) {
StringBuffer hexString = new StringBuffer();
for (int i = 0; i < hash.length; i++) {
String hex = Integer.toHexString(0xff & hash[i]);
if(hex.length() == 1) hexString.append('0');
hexString.append(hex);
}
return hexString.toString();
}
}
core-java/src/main/java/org/baeldung/equalshashcode/entities/ComplexClass.java
+63
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@@ -0,0 +1,63 @@
package org.baeldung.equalshashcode.entities;
import java.util.List;
import java.util.Set;
public class ComplexClass {
private List<?> genericList;
private Set<Integer> integerSet;
public ComplexClass(List<?> genericArrayList, Set<Integer> integerHashSet) {
super();
this.genericList = genericArrayList;
this.integerSet = integerHashSet;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((genericList == null) ? 0 : genericList.hashCode());
result = prime * result + ((integerSet == null) ? 0 : integerSet.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof ComplexClass))
return false;
ComplexClass other = (ComplexClass) obj;
if (genericList == null) {
if (other.genericList != null)
return false;
} else if (!genericList.equals(other.genericList))
return false;
if (integerSet == null) {
if (other.integerSet != null)
return false;
} else if (!integerSet.equals(other.integerSet))
return false;
return true;
}
protected List<?> getGenericList() {
return genericList;
}
protected void setGenericArrayList(List<?> genericList) {
this.genericList = genericList;
}
protected Set<Integer> getIntegerSet() {
return integerSet;
}
protected void setIntegerSet(Set<Integer> integerSet) {
this.integerSet = integerSet;
}
}
core-java/src/main/java/org/baeldung/equalshashcode/entities/PrimitiveClass.java
+54
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@@ -0,0 +1,54 @@
package org.baeldung.equalshashcode.entities;
public class PrimitiveClass {
private boolean primitiveBoolean;
private int primitiveInt;
public PrimitiveClass(boolean primitiveBoolean, int primitiveInt) {
super();
this.primitiveBoolean = primitiveBoolean;
this.primitiveInt = primitiveInt;
}
protected boolean isPrimitiveBoolean() {
return primitiveBoolean;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + (primitiveBoolean ? 1231 : 1237);
result = prime * result + primitiveInt;
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
PrimitiveClass other = (PrimitiveClass) obj;
if (primitiveBoolean != other.primitiveBoolean)
return false;
if (primitiveInt != other.primitiveInt)
return false;
return true;
}
protected void setPrimitiveBoolean(boolean primitiveBoolean) {
this.primitiveBoolean = primitiveBoolean;
}
protected int getPrimitiveInt() {
return primitiveInt;
}
protected void setPrimitiveInt(int primitiveInt) {
this.primitiveInt = primitiveInt;
}
}
core-java/src/main/java/org/baeldung/equalshashcode/entities/Rectangle.java
+58
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@@ -0,0 +1,58 @@
package org.baeldung.equalshashcode.entities;
public class Rectangle extends Shape {
private double width;
private double length;
public Rectangle(double width, double length) {
this.width = width;
this.length = length;
}
@Override
public double area() {
return width * length;
}
@Override
public double perimeter() {
return 2 * (width + length);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
long temp;
temp = Double.doubleToLongBits(length);
result = prime * result + (int) (temp ^ (temp >>> 32));
temp = Double.doubleToLongBits(width);
result = prime * result + (int) (temp ^ (temp >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Rectangle other = (Rectangle) obj;
if (Double.doubleToLongBits(length) != Double.doubleToLongBits(other.length))
return false;
if (Double.doubleToLongBits(width) != Double.doubleToLongBits(other.width))
return false;
return true;
}
protected double getWidth() {
return width;
}
protected double getLength() {
return length;
}
}
core-java/src/main/java/org/baeldung/equalshashcode/entities/Shape.java
+7
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@@ -0,0 +1,7 @@
package org.baeldung.equalshashcode.entities;
public abstract class Shape {
public abstract double area();
public abstract double perimeter();
}
core-java/src/main/java/org/baeldung/equalshashcode/entities/Square.java
+58
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@@ -0,0 +1,58 @@
package org.baeldung.equalshashcode.entities;
import java.awt.Color;
public class Square extends Rectangle {
Color color;
public Square(double width, Color color) {
super(width, width);
this.color = color;
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
final int prime = 31;
int result = super.hashCode();
result = prime * result + ((color == null) ? 0 : color.hashCode());
return result;
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!super.equals(obj)) {
return false;
}
if (!(obj instanceof Square)) {
return false;
}
Square other = (Square) obj;
if (color == null) {
if (other.color != null) {
return false;
}
} else if (!color.equals(other.color)) {
return false;
}
return true;
}
protected Color getColor() {
return color;
}
protected void setColor(Color color) {
this.color = color;
}
}
core-java/src/main/java/org/baeldung/executable/ExecutableMavenJar.java
+11
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@@ -0,0 +1,11 @@
package org.baeldung.executable;
import javax.swing.JOptionPane;
public class ExecutableMavenJar {
public static void main(String[] args) {
JOptionPane.showMessageDialog(null, "It worked!", "Executable Jar with Maven", 1);
}
}
core-java/src/test/java/com/baeldung/hashing/SHA256HashingTest.java
+37
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@@ -0,0 +1,37 @@
package com.baeldung.hashing;
import org.junit.Test;
import static org.junit.Assert.*;
public class SHA256HashingTest {
private static String originalValue = "abc123";
private static String hashedValue =
"6ca13d52ca70c883e0f0bb101e425a89e8624de51db2d2392593af6a84118090";
@Test
public void testHashWithJavaMessageDigest() throws Exception {
final String currentHashedValue = SHA256Hashing.HashWithJavaMessageDigest(originalValue);
assertEquals(currentHashedValue, hashedValue);
}
@Test
public void testHashWithGuava() throws Exception {
final String currentHashedValue = SHA256Hashing.HashWithApacheCommons(originalValue);
assertEquals(currentHashedValue, hashedValue);
}
@Test
public void testHashWithApacheCommans() throws Exception {
final String currentHashedValue = SHA256Hashing.HashWithGuava(originalValue);
assertEquals(currentHashedValue, hashedValue);
}
@Test
public void testHashWithBouncyCastle() throws Exception {
final String currentHashedValue = SHA256Hashing.HashWithBouncyCastle(originalValue);
assertEquals(currentHashedValue, hashedValue);
}
}
core-java/src/test/java/com/baeldung/java/conversion/StringConversionTest.java
+59 -27
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@@ -2,7 +2,6 @@ package com.baeldung.java.conversion;
import static org.junit.Assert.assertEquals;
import java.io.UnsupportedEncodingException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDateTime;
@@ -20,78 +19,111 @@ public class StringConversionTest {
@Test
public void whenConvertedToInt_thenCorrect() {
assertEquals(Integer.parseInt("1"), 1);
String beforeConvStr = "1";
int afterConvInt = 1;
assertEquals(Integer.parseInt(beforeConvStr), afterConvInt);
}
@Test
public void whenConvertedToInteger_thenCorrect() {
assertEquals(Integer.valueOf("12").equals(12), true);
String beforeConvStr = "12";
Integer afterConvInteger = 12;
assertEquals(Integer.valueOf(beforeConvStr).equals(afterConvInteger), true);
}
@Test
public void whenConvertedTolong_thenCorrect() {
assertEquals(Long.parseLong("12345"), 12345);
String beforeConvStr = "12345";
long afterConvLongPrimitive = 12345;
assertEquals(Long.parseLong(beforeConvStr), afterConvLongPrimitive);
}
@Test
public void whenConvertedToLong_thenCorrect() {
assertEquals(Long.valueOf("14567").equals(14567L), true);
String beforeConvStr = "14567";
Long afterConvLong = 14567l;
assertEquals(Long.valueOf(beforeConvStr).equals(afterConvLong), true);
}
@Test
public void whenConvertedTodouble_thenCorrect() {
assertEquals(Double.parseDouble("1.4"), 1.4, 0.0);
String beforeConvStr = "1.4";
double afterConvDoublePrimitive = 1.4;
assertEquals(Double.parseDouble(beforeConvStr), afterConvDoublePrimitive, 0.0);
}
@Test
public void whenConvertedToDouble_thenCorrect() {
assertEquals(Double.valueOf("145.67").equals(145.67d), true);
String beforeConvStr = "145.67";
double afterConvDouble = 145.67d;
assertEquals(Double.valueOf(beforeConvStr).equals(afterConvDouble), true);
}
@Test
public void whenConvertedToByteArray_thenCorrect() throws UnsupportedEncodingException {
byte[] byteArray1 = new byte[] { 'a', 'b', 'c' };
String string = new String(byteArray1, "UTF-8");
public void whenConvertedToByteArr_thenCorrect() {
String beforeConvStr = "abc";
byte[] afterConvByteArr = new byte[] { 'a', 'b', 'c' };
assertEquals(Arrays.equals(string.getBytes(), byteArray1), true);
assertEquals(Arrays.equals(beforeConvStr.getBytes(), afterConvByteArr), true);
}
@Test
public void whenConvertedToboolean_thenCorrect() {
assertEquals(Boolean.parseBoolean("true"), true);
String beforeConvStr = "true";
boolean afterConvBooleanPrimitive = true;
assertEquals(Boolean.parseBoolean(beforeConvStr), afterConvBooleanPrimitive);
}
@Test
public void whenConvertedToBoolean_thenCorrect() {
assertEquals(Boolean.valueOf("true"), true);
String beforeConvStr = "true";
Boolean afterConvBoolean = true;
assertEquals(Boolean.valueOf(beforeConvStr), afterConvBoolean);
}
@Test
public void whenConvertedToCharArray_thenCorrect() {
String str = "hello";
char[] charArray = { 'h', 'e', 'l', 'l', 'o' };
public void whenConvertedToCharArr_thenCorrect() {
String beforeConvStr = "hello";
char[] afterConvCharArr = { 'h', 'e', 'l', 'l', 'o' };
assertEquals(Arrays.equals(charArray, str.toCharArray()), true);
assertEquals(Arrays.equals(beforeConvStr.toCharArray(), afterConvCharArr), true);
}
@Test
public void whenConvertedToDate_thenCorrect() throws ParseException {
String str = "15/10/2013";
String beforeConvStr = "15/10/2013";
int afterConvCalendarDay = 15;
int afterConvCalendarMonth = 9;
int afterConvCalendarYear = 2013;
SimpleDateFormat formatter = new SimpleDateFormat("dd/M/yyyy");
Date date1 = formatter.parse(str);
Calendar calendar = new GregorianCalendar(2013, 9, 15);
Date date2 = calendar.getTime();
Date afterConvDate = formatter.parse(beforeConvStr);
Calendar calendar = new GregorianCalendar();
calendar.setTime(afterConvDate);
assertEquals(date1.compareTo(date2), 0);
assertEquals(calendar.get(Calendar.DAY_OF_MONTH), afterConvCalendarDay);
assertEquals(calendar.get(Calendar.MONTH), afterConvCalendarMonth);
assertEquals(calendar.get(Calendar.YEAR), afterConvCalendarYear);
}
@Test
public void whenConvertedToLocalDateTime_thenCorrect() throws ParseException {
public void whenConvertedToLocalDateTime_thenCorrect() {
String str = "2007-12-03T10:15:30";
LocalDateTime localDateTime = new UseLocalDateTime().getLocalDateTimeUsingParseMethod(str);
int afterConvCalendarDay = 03;
Month afterConvCalendarMonth = Month.DECEMBER;
int afterConvCalendarYear = 2007;
LocalDateTime afterConvDate
= new UseLocalDateTime().getLocalDateTimeUsingParseMethod(str);
assertEquals(localDateTime.getDayOfMonth(), 3);
assertEquals(localDateTime.getMonth(), Month.DECEMBER);
assertEquals(localDateTime.getYear(), 2007);
assertEquals(afterConvDate.getDayOfMonth(), afterConvCalendarDay);
assertEquals(afterConvDate.getMonth(), afterConvCalendarMonth);
assertEquals(afterConvDate.getYear(), afterConvCalendarYear);
}
}