Demo 09

code/demo09-alternatives/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+         xmlns="http://maven.apache.org/POM/4.0.0">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>org.expenses.web</groupId>
+    <artifactId>expenses-web</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <packaging>war</packaging>
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <jboss-javaee-7.0.version>1.0.3.Final</jboss-javaee-7.0.version>
+        <weld.version>2.2.6.Final</weld.version>
+
+        <arquillian.version>1.1.10.Final</arquillian.version>
+        <arquillian-weld-ee-embedded.version>1.0.0.CR9</arquillian-weld-ee-embedded.version>
+        <shrinkwrap-resolver.version>2.1.0</shrinkwrap-resolver.version>
+        <junit.version>4.12</junit.version>
+        <maven-surefire-plugin.skip>false</maven-surefire-plugin.skip>
+    </properties>
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.jboss.spec</groupId>
+                <artifactId>jboss-javaee-7.0</artifactId>
+                <version>${jboss-javaee-7.0.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+    <dependencies>
+        <dependency>
+            <groupId>org.hibernate.javax.persistence</groupId>
+            <artifactId>hibernate-jpa-2.1-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.spec.javax.annotation</groupId>
+            <artifactId>jboss-annotations-api_1.2_spec</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>javax.enterprise</groupId>
+            <artifactId>cdi-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.inject</groupId>
+            <artifactId>javax.inject</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.spec.javax.transaction</groupId>
+            <artifactId>jboss-transaction-api_1.2_spec</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.spec.javax.ws.rs</groupId>
+            <artifactId>jboss-jaxrs-api_2.0_spec</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.spec.javax.json</groupId>
+            <artifactId>jboss-json-api_1.0_spec</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.spec.javax.interceptor</groupId>
+            <artifactId>jboss-interceptors-api_1.2_spec</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.spec.javax.faces</groupId>
+            <artifactId>jboss-jsf-api_2.2_spec</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.spec.javax.servlet</groupId>
+            <artifactId>jboss-servlet-api_3.1_spec</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.primefaces</groupId>
+            <artifactId>primefaces</artifactId>
+            <version>5.3</version>
+        </dependency>
+        <dependency>
+            <groupId>org.primefaces.themes</groupId>
+            <artifactId>all-themes</artifactId>
+            <version>1.0.10</version>
+        </dependency>
+        <dependency>
+            <groupId>org.webjars</groupId>
+            <artifactId>bootstrap</artifactId>
+            <version>2.3.2</version>
+        </dependency>
+
+    </dependencies>
+    <build>
+        <finalName>expenses-web</finalName>
+        <plugins>
+            <plugin>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>2.4</version>
+                <configuration>
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>prime-repo</id>
+            <name>PrimeFaces Maven Repository</name>
+            <url>http://repository.primefaces.org</url>
+            <layout>default</layout>
+        </repository>
+    </repositories>
+</project>

code/demo09-alternatives/src/main/java/org/expenses/web/beans/Clear.java

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+package org.expenses.web.beans;
+
+import javax.inject.Qualifier;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+@Qualifier
+@Retention(RUNTIME)
+@Target({FIELD, TYPE, METHOD, PARAMETER})
+public @interface Clear {
+}

code/demo09-alternatives/src/main/java/org/expenses/web/beans/ClearPassword.java

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+package org.expenses.web.beans;
+
+@Clear
+public class ClearPassword implements DigestPassword {
+    public String digest(String plainTextPassword) {
+        return plainTextPassword;
+    }
+}

code/demo09-alternatives/src/main/java/org/expenses/web/beans/DigestPassword.java

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+package org.expenses.web.beans;
+
+import java.io.Serializable;
+
+public interface DigestPassword extends Serializable {
+    String digest(String plainTextPassword);
+}

code/demo09-alternatives/src/main/java/org/expenses/web/beans/EncryptPassword.java

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+package org.expenses.web.beans;
+
+import java.security.MessageDigest;
+import java.util.Base64;
+
+@Encrypted
+public class EncryptPassword implements DigestPassword {
+
+    /**
+     * Digest password with <code>SHA-256</code> then encode it with Base64 when persisting or updating the entity.
+     *
+     * @throws RuntimeException if password could not be digested
+     */
+    public String digest(String plainTextPassword) {
+        try {
+            MessageDigest md = MessageDigest.getInstance("SHA-256");
+            md.update(plainTextPassword.getBytes("UTF-8"));
+            byte[] passwordDigest = md.digest();
+            return new String(Base64.getEncoder().encode(passwordDigest));
+        } catch (Exception e) {
+            throw new RuntimeException("Exception encoding password", e);
+        }
+    }
+}

code/demo09-alternatives/src/main/java/org/expenses/web/beans/Encrypted.java

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+package org.expenses.web.beans;
+
+import javax.inject.Qualifier;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.*;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+@Qualifier
+@Retention(RUNTIME)
+@Target({FIELD, TYPE, METHOD, PARAMETER})
+public @interface Encrypted {
+}

code/demo09-alternatives/src/main/java/org/expenses/web/beans/Loggable.java

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+package org.expenses.web.beans;
+
+import javax.interceptor.InterceptorBinding;
+import java.lang.annotation.*;
+
+@InterceptorBinding
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.METHOD, ElementType.TYPE})
+@Documented
+public @interface Loggable {
+}

code/demo09-alternatives/src/main/java/org/expenses/web/beans/LoggerProducer.java

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+package org.expenses.web.beans;
+
+import javax.enterprise.inject.Produces;
+import javax.enterprise.inject.spi.InjectionPoint;
+import java.util.logging.Logger;
+
+public class LoggerProducer {
+
+    @Produces
+    private Logger produceLogger(InjectionPoint injectionPoint) {
+        return Logger.getLogger(injectionPoint.getMember().getDeclaringClass().getName());
+    }
+}

code/demo09-alternatives/src/main/java/org/expenses/web/beans/LoggingInterceptor.java

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+package org.expenses.web.beans;
+
+import javax.enterprise.inject.Intercepted;
+import javax.enterprise.inject.spi.Bean;
+import javax.inject.Inject;
+import javax.interceptor.AroundInvoke;
+import javax.interceptor.Interceptor;
+import javax.interceptor.InvocationContext;
+import java.util.logging.Logger;
+
+@Loggable
+@Interceptor
+public class LoggingInterceptor {
+
+    @Inject
+    private Logger logger;
+
+    @Inject @Intercepted
+    private Bean<?> intercepted;
+
+    @AroundInvoke
+    private Object intercept(InvocationContext ic) throws Exception {
+        logger.info("> > " + intercepted.getBeanClass().getName() + " - " + ic.getMethod().getName());
+        try {
+            return ic.proceed();
+        } finally {
+            logger.info("< < " + intercepted.getBeanClass().getName() + " - " + ic.getMethod().getName());
+        }
+    }
+}

code/demo09-alternatives/src/main/java/org/expenses/web/model/Conference.java

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+package org.expenses.web.model;
+
+import javax.persistence.*;
+import javax.xml.bind.annotation.XmlRootElement;
+import java.io.Serializable;
+import java.util.Date;
+import java.util.Objects;
+
+@Entity
+@Table(name = "t_conference")
+@XmlRootElement
+public class Conference implements Serializable {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    @Column(name = "id", updatable = false, nullable = false)
+    private Long id;
+    @Version
+    @Column(name = "version")
+    private int version;
+
+    private String name;
+
+    @Temporal(TemporalType.DATE)
+    private Date date;
+
+    private String country;
+
+    private String city;
+
+    public Long getId() {
+        return this.id;
+    }
+
+    public void setId(final Long id) {
+        this.id = id;
+    }
+
+    public int getVersion() {
+        return this.version;
+    }
+
+    public void setVersion(final int version) {
+        this.version = version;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Date getDate() {
+        return date;
+    }
+
+    public void setDate(Date date) {
+        this.date = date;
+    }
+
+    public String getCountry() {
+        return country;
+    }
+
+    public void setCountry(String country) {
+        this.country = country;
+    }
+
+    public String getCity() {
+        return city;
+    }
+
+    public void setCity(String city) {
+        this.city = city;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o)
+            return true;
+        if (o == null || getClass() != o.getClass())
+            return false;
+        Conference that = (Conference) o;
+        return Objects.equals(name, that.name) &&
+                Objects.equals(date, that.date) &&
+                Objects.equals(country, that.country) &&
+                Objects.equals(city, that.city);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, date, country, city);
+    }
+
+    @Override
+    public String toString() {
+        return name;
+    }
+}

code/demo09-alternatives/src/main/java/org/expenses/web/model/Currency.java

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+package org.expenses.web.model;
+
+public enum Currency {
+    USD, EURO
+}