Month: March 2017

How to Configure Spring Session with JDBC for MySQL

build.gradle

buildscript {
	ext {
		springBootVersion = '1.5.2.RELEASE'
	}
	repositories {
		mavenCentral()
	}
	dependencies {
		classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
	}
}

apply plugin: 'java'
apply plugin: 'application'
apply plugin: 'org.springframework.boot'

jar {
	baseName = 'logbook-server'
	version = '0.0.1-SNAPSHOT'
}

sourceCompatibility = 1.8

repositories {
	mavenCentral()
}


dependencies {
	compile('org.springframework.boot:spring-boot-starter-data-jpa')
	compile('org.springframework.session:spring-session')
	compile('org.springframework.boot:spring-boot-starter-thymeleaf')
	compile('org.springframework.boot:spring-boot-starter-web')
	compile('org.springframework.boot:spring-boot-starter-web-services')
	compile('org.springframework.boot:spring-boot-starter-websocket')
	runtime('org.springframework.boot:spring-boot-devtools')
	runtime('mysql:mysql-connector-java')
	compileOnly('org.springframework.boot:spring-boot-configuration-processor')
	compileOnly('org.projectlombok:lombok')
	testCompile('org.springframework.boot:spring-boot-starter-test')

	// https://mvnrepository.com/artifact/joda-time/joda-time
	compile group: 'joda-time', name: 'joda-time', version: '2.9.7'

	// https://mvnrepository.com/artifact/net.time4j/time4j-parent
	compile group: 'net.time4j', name: 'time4j-parent', version: '4.25'

	// https://mvnrepository.com/artifact/org.apache.commons/commons-lang3
	compile group: 'org.apache.commons', name: 'commons-lang3', version: '3.5'

	// https://mvnrepository.com/artifact/org.bouncycastle/bcprov-jdk15on
	compile group: 'org.bouncycastle', name: 'bcprov-jdk15on', version: '1.56'

	// https://mvnrepository.com/artifact/com.google.code.gson/gson
	compile group: 'com.google.code.gson', name: 'gson', version: '2.8.0'

	// https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-tomcat
	compile group: 'org.springframework.boot', name: 'spring-boot-starter-tomcat'

	// https://mvnrepository.com/artifact/commons-io/commons-io
	compile group: 'commons-io', name: 'commons-io', version: '2.5'
}

application.properties

server.port=13602
spring.session.store-type=jdbc
server.compression.enabled=true
server.use-forward-headers=true
server.compression.mime-types=application/json,application/xml,text/html,text/xml,text/plain,text/css,application/javascript
logging.file=logbook-server.log
spring.datasource.url=jdbc:mysql://localhost/logbook
spring.datasource.username=root
spring.datasource.password=12345
spring.datasource.driver-class-name=com.mysql.jdbc.Driver

# Number of ms to wait before throwing an exception if no connection is available.
spring.datasource.tomcat.max-wait=10000

# Maximum number of active connections that can be allocated from this pool at the same time.
spring.datasource.tomcat.max-active=50

# Validate the connection before borrowing it from the pool.
spring.datasource.tomcat.test-on-borrow=true

spring.jpa.hibernate.ddl-auto=create

HttpSessionConfig.java

@Configuration
@EnableJdbcHttpSession
public class HttpSessionConfig {

}

then execute this script on MySQL

CREATE TABLE SPRING_SESSION (
        SESSION_ID CHAR(36),
        CREATION_TIME BIGINT NOT NULL,
        LAST_ACCESS_TIME BIGINT NOT NULL,
        MAX_INACTIVE_INTERVAL INT NOT NULL,
        PRINCIPAL_NAME VARCHAR(100),
        CONSTRAINT SPRING_SESSION_PK PRIMARY KEY (SESSION_ID)
) ENGINE=InnoDB;

CREATE INDEX SPRING_SESSION_IX1 ON SPRING_SESSION (LAST_ACCESS_TIME);

CREATE TABLE SPRING_SESSION_ATTRIBUTES (
        SESSION_ID CHAR(36),
        ATTRIBUTE_NAME VARCHAR(200),
        ATTRIBUTE_BYTES BLOB,
        CONSTRAINT SPRING_SESSION_ATTRIBUTES_PK PRIMARY KEY (SESSION_ID, ATTRIBUTE_NAME),
        CONSTRAINT SPRING_SESSION_ATTRIBUTES_FK FOREIGN KEY (SESSION_ID) REFERENCES SPRING_SESSION(SESSION_ID) ON DELETE CASCADE
) ENGINE=InnoDB;

CREATE INDEX SPRING_SESSION_ATTRIBUTES_IX1 ON SPRING_SESSION_ATTRIBUTES (SESSION_ID);

References
http://docs.spring.io/spring-session/docs/current/reference/html5/#api-jdbcoperationssessionrepository-storage
http://stackoverflow.com/questions/37398905/spring-session-with-jdbc-configuration-table-test-spring-session-doesnt-exis

Android Custom Background for Action Bar

/res/drawable/gradient_color.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient
        android:angle="0"
        android:startColor="#000000"
        android:endColor="#FFFFFF"/>
</shape>

/res/values/styles.xml

<resources>
    <style name="custom_theme" parent="Theme.AppCompat.Light.DarkActionBar">
        <item name="android:actionBarStyle">@style/custom_color</item>
        <!-- Support library compatibility -->
        <item name="actionBarStyle">@style/custom_color</item>
    </style>

    <style name="custom_color" parent="Widget.AppCompat.Light.ActionBar.Solid.Inverse">
        <item name="android:background">@drawable/gradient_color</item>
        <!-- Support library compatibility -->
        <item name="background">@drawable/gradient_color</item>
    </style>
</resources>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="iterator.ir.a041">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/custom_theme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

References
https://github.com/mhdr/AndroidSamples/tree/master/041

Android Inherit Styles

/res/values/styles.xml

<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
        <!-- Customize your theme here. -->
        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>
    </style>


    <style name="Style_One">
        <item name="android:layout_width">match_parent</item>
        <item name="android:layout_height">wrap_content</item>
    </style>

    <style name="Style_One.Style_Two">
        <item name="android:textColor">@android:color/holo_orange_light</item>
    </style>
</resources>

MainActivity.java

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="iterator.ir.a040.MainActivity">


    <TextView
        android:id="@+id/textView"
        style="@style/Style_One"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="55dp"
        android:gravity="center"
        android:text="Style One"
        android:textAppearance="@style/TextAppearance.AppCompat.Large" />

    <TextView
        android:id="@+id/textView2"
        style="@style/Style_One.Style_Two"
        android:layout_alignEnd="@+id/textView"
        android:layout_alignRight="@+id/textView"
        android:layout_below="@+id/textView"
        android:layout_marginTop="40dp"
        android:gravity="center"
        android:text="Style Two"
        android:textAppearance="@style/TextAppearance.AppCompat.Large" />
</RelativeLayout>

References
https://github.com/mhdr/AndroidSamples/tree/master/040

Configure JSF with PrimeFaces

build.gradle

group 'ir.iterator'
version '1.0-SNAPSHOT'

apply plugin: 'java'
apply plugin: 'war'

sourceCompatibility = 1.8

repositories {
    mavenCentral()
    maven{
        url "http://repository.primefaces.org"
    }
}

dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.11'

    // https://mvnrepository.com/artifact/com.sun.faces/jsf-api
    compile group: 'com.sun.faces', name: 'jsf-api', version: '2.2.14'

    // https://mvnrepository.com/artifact/com.sun.faces/jsf-impl
    compile group: 'com.sun.faces', name: 'jsf-impl', version: '2.2.14'

    // https://mvnrepository.com/artifact/javax.servlet.jsp.jstl/javax.servlet.jsp.jstl-api
    compile group: 'javax.servlet.jsp.jstl', name: 'javax.servlet.jsp.jstl-api', version: '1.2.1'

    // https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api
    compile group: 'javax.servlet', name: 'javax.servlet-api', version: '3.1.0'

    // https://mvnrepository.com/artifact/org.primefaces/primefaces
    compile group: 'org.primefaces', name: 'primefaces', version: '6.0'

    // https://mvnrepository.com/artifact/org.primefaces.themes/all-themes
    compile group: 'org.primefaces.themes', name: 'all-themes', version: '1.0.10'
}

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
      http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
         id="WebApp_ID" version="2.5">
    <!-- Change to "Production" when you are ready to deploy -->
    <context-param>
        <param-name>javax.faces.PROJECT_STAGE</param-name>
        <param-value>Development</param-value>
    </context-param>

    <context-param>
        <param-name>primefaces.THEME</param-name>
        <param-value>bootstrap</param-value>
    </context-param>

    <servlet>
        <servlet-name>Faces Servlet</servlet-name>
        <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <!-- Map these files with JSF -->
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>/faces/*</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.jsf</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.faces</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.xhtml</url-pattern>
    </servlet-mapping>
    <!-- Welcome page -->
    <welcome-file-list>
        <welcome-file>index.xhtml</welcome-file>
    </welcome-file-list>
</web-app>

Android Add Up Button into Action Bar

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="iterator.ir.a039">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".ChildOneActivity" android:parentActivityName=".MainActivity"/>
        <activity android:name=".ChildTwoActivity" android:parentActivityName=".MainActivity"/>
    </application>

</manifest>

ChildOneActivity.java

public class ChildOneActivity extends AppCompatActivity {

    Button buttonOpenChildTwo;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_child_one);

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        buttonOpenChildTwo= (Button) findViewById(R.id.buttonOpenChildTwo);
        buttonOpenChildTwo.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent=new Intent(getBaseContext(),ChildTwoActivity.class);
                startActivity(intent);
            }
        });
    }
}

ChildTwoActivity.java

public class ChildTwoActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_child_two);

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    }
}

References
https://github.com/mhdr/AndroidSamples/tree/master/039

Android Adding the Action Bar

/res/menu/main_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android">

    <item
        android:id="@+id/itemShare"
        android:icon="@drawable/ic_share_white_24dp"
        android:title="@string/share"
        app:showAsAction="always" />
    <item
        android:id="@+id/itemSearch"
        android:icon="@drawable/ic_share_white_24dp"
        android:title="@string/search" />
</menu>

MainActivity.java

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        ActionBar actionBar=getSupportActionBar();

        actionBar.setLogo(R.drawable.ic_android_white_24dp);
        actionBar.setDisplayUseLogoEnabled(true);
        actionBar.setDisplayShowHomeEnabled(true);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {

        getMenuInflater().inflate(R.menu.main_menu,menu);

        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId())
        {
            case R.id.itemSearch:
                Toast.makeText(getBaseContext(),"Search",Toast.LENGTH_LONG).show();
                break;
            case R.id.itemShare:
                Toast.makeText(getBaseContext(),"Share",Toast.LENGTH_LONG).show();
                break;
        }

        return super.onOptionsItemSelected(item);
    }
}

References
https://github.com/mhdr/AndroidSamples/tree/master/038