Merge pull request #28 from indigo-dc/auth_header_builder

Auth header builder

pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>es.upv.i3m.grycap</groupId>
   <artifactId>im-java-api</artifactId>
-  <version>0.4.4</version>
+  <version>0.4.5</version>
   <name>IM Java API</name>
   <description>Java client for the REST API of the IM</description>
 
@@ -20,6 +20,7 @@
     <maven-javadoc-plugin.version>2.10.3</maven-javadoc-plugin.version>
     <maven-checkstyle-plugin.version>2.17</maven-checkstyle-plugin.version>
     <mockserver-netty.version>3.10.4</mockserver-netty.version>
+    <jacoco-maven-plugin.version>0.7.7.201606060606</jacoco-maven-plugin.version>
   </properties>
 
   <dependencies>
@@ -131,7 +132,7 @@
       <plugin>
         <groupId>org.jacoco</groupId>
         <artifactId>jacoco-maven-plugin</artifactId>
-        <version>0.7.5.201505241946</version>
+        <version>${jacoco-maven-plugin.version}</version>
         <executions>
           <execution>
             <id>default-prepare-agent</id>

src/main/java/es/upv/i3m/grycap/im/auth/AuthorizationHeader.java

@@ -0,0 +1,48 @@
+package es.upv.i3m.grycap.im.auth;
+
+import es.upv.i3m.grycap.im.auth.credential.Credential;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+public class AuthorizationHeader {
+
+  private static final String ERROR_MESSAGE = "Credentials must not be null";
+  private List<Credential<?>> credentials = new ArrayList<>();
+
+  public List<Credential<?>> getCredentials() {
+    return credentials;
+  }
+
+  /**
+   * Sets the credentials information.
+   */
+  public void setCredentialsAuthInfos(List<Credential<?>> credentials) {
+    if (credentials == null) {
+      throw new IllegalArgumentException(ERROR_MESSAGE);
+    }
+    this.credentials = credentials;
+  }
+
+  public void addCredential(Credential<?> credential) {
+    credentials.add(credential);
+  }
+
+  /**
+   * Returns a string with the credentials information.
+   */
+  public String serialize() {
+    StringBuilder sb = new StringBuilder();
+    Iterator<Credential<?>> it = credentials.iterator();
+    while (it.hasNext()) {
+      String serializedAuthInfo = it.next().serialize();
+      sb.append(serializedAuthInfo);
+      if (it.hasNext()) {
+        sb.append("\\n");
+      }
+    }
+    return sb.toString();
+  }
+
+}

src/main/java/es/upv/i3m/grycap/im/auth/credential/AbstractCredential.java

@@ -0,0 +1,59 @@
+package es.upv.i3m.grycap.im.auth.credential;
+
+public abstract class AbstractCredential<T extends AbstractCredential<T>>
+    implements Credential<T> {
+
+  private String id;
+
+  protected <B extends AbstractCredentialBuilder<B, T>> AbstractCredential(
+      B builder) {
+    id = builder.getId();
+  }
+
+  public String getId() {
+    return id;
+  }
+
+  public void setId(String id) {
+    this.id = id;
+  }
+
+  @Override
+  public String serialize() {
+    return serialize(null).toString();
+  }
+
+  protected StringBuilder serialize(StringBuilder sb) {
+    if (sb == null) {
+      sb = new StringBuilder();
+    }
+    if (!isNullOrEmpty(id)) {
+      sb.append("id = ").append(id).append(" ; ");
+    }
+    sb.append("type = ").append(getServiceType().getValue());
+    return sb;
+  }
+
+  //@formatter:off
+  public abstract static class AbstractCredentialBuilder
+      <B extends AbstractCredentialBuilder<B, T>, T extends AbstractCredential<T>>
+      implements CredentialBuilder<T> {
+    //@formatter:on
+
+    private String id;
+
+    public String getId() {
+      return id;
+    }
+
+    @SuppressWarnings("unchecked")
+    public B withId(String id) {
+      this.id = id;
+      return (B) this;
+    }
+  }
+
+  public static boolean isNullOrEmpty(String string) {
+    return (string == null) || string.isEmpty();
+  }
+}

src/main/java/es/upv/i3m/grycap/im/auth/credential/AbstractTokenCredential.java

@@ -0,0 +1,49 @@
+package es.upv.i3m.grycap.im.auth.credential;
+
+public abstract class AbstractTokenCredential<T extends AbstractTokenCredential<T>>
+    extends AbstractCredential<T> {
+
+  protected String token;
+
+  protected <B extends AbstractTokenCredentialBuilder<B, T>> AbstractTokenCredential(
+      B builder) {
+    super(builder);
+    setToken(builder.getToken());
+  }
+
+  public String getToken() {
+    return token;
+  }
+
+  private void setToken(String token) {
+    if (isNullOrEmpty(token)) {
+      throw new IllegalArgumentException("token must not be blank");
+    }
+    this.token = token;
+  }
+
+  @Override
+  protected StringBuilder serialize(StringBuilder sb) {
+    sb = super.serialize(sb);
+    sb.append(" ; token = ").append(token);
+    return sb;
+  }
+
+  //@formatter:off
+  public abstract static class AbstractTokenCredentialBuilder
+      <B extends AbstractTokenCredentialBuilder<B, T>, T extends AbstractTokenCredential<T>>
+      extends AbstractCredentialBuilder<B, T> {
+    //@formatter:on
+    private String token;
+
+    @SuppressWarnings("unchecked")
+    public B withToken(String token) {
+      this.token = token;
+      return (B) this;
+    }
+
+    public String getToken() {
+      return token;
+    }
+  }
+}

src/main/java/es/upv/i3m/grycap/im/auth/credential/AbstractUsernamePasswordCredential.java

@@ -0,0 +1,81 @@
+package es.upv.i3m.grycap.im.auth.credential;
+
+//@formatter:off
+public abstract class AbstractUsernamePasswordCredential<T extends 
+    AbstractUsernamePasswordCredential<T>>
+    extends AbstractCredential<T> {
+  //@formatter:on
+
+  private String username;
+  private String password;
+
+  //@formatter:off
+  protected <B extends AbstractUsernamePasswordCredentialBuilder<B, T>> 
+      AbstractUsernamePasswordCredential(B builder) {
+    //@formatter:on
+
+    super(builder);
+    username = builder.getUsername();
+    password = builder.getPassword();
+  }
+
+  public String getUsername() {
+    return username;
+  }
+
+  public void setUsername(String username) {
+    this.username = username;
+  }
+
+  public String getPassword() {
+    return password;
+  }
+
+  public void setPassword(String password) {
+    this.password = password;
+  }
+
+  @Override
+  public StringBuilder serialize(StringBuilder sb) {
+    sb = super.serialize(sb);
+    if (!isNullOrEmpty(username)) {
+      sb.append(" ; username = ").append(username);
+    }
+    if (!isNullOrEmpty(password)) {
+      sb.append(" ; password = ").append(password);
+    }
+    return sb;
+  }
+
+  //@formatter:off
+  public abstract static class AbstractUsernamePasswordCredentialBuilder
+      <B extends AbstractUsernamePasswordCredentialBuilder<B, T>, 
+      T extends AbstractUsernamePasswordCredential<T>>
+      extends AbstractCredentialBuilder<B, T> {
+    //@formatter:on
+
+    private String username;
+    private String password;
+
+    @SuppressWarnings("unchecked")
+    public B withUsername(String username) {
+      this.username = username;
+      return (B) this;
+    }
+
+    @SuppressWarnings("unchecked")
+    public B withPassword(String password) {
+      this.password = password;
+      return (B) this;
+    }
+
+    public String getUsername() {
+      return username;
+    }
+
+    public String getPassword() {
+      return password;
+    }
+
+  }
+}

src/main/java/es/upv/i3m/grycap/im/auth/credential/Credential.java

@@ -0,0 +1,14 @@
+package es.upv.i3m.grycap.im.auth.credential;
+
+public interface Credential<T extends Credential<T>> {
+
+  public ServiceType getServiceType();
+
+  public String serialize();
+
+  public interface CredentialBuilder<T> {
+
+    public T build();
+
+  }
+}

src/main/java/es/upv/i3m/grycap/im/auth/credential/DummyCredential.java

@@ -0,0 +1,28 @@
+package es.upv.i3m.grycap.im.auth.credential;
+
+public class DummyCredential extends AbstractCredential<DummyCredential> {
+
+  protected DummyCredential(DummyCredentialBuilder builder) {
+    super(builder);
+  }
+
+  @Override
+  public ServiceType getServiceType() {
+    return ServiceType.DUMMY;
+  }
+
+  public static DummyCredentialBuilder getBuilder() {
+    return new DummyCredentialBuilder();
+  }
+
+  public static class DummyCredentialBuilder extends
+      AbstractCredentialBuilder<DummyCredentialBuilder, DummyCredential> {
+
+    @Override
+    public DummyCredential build() {
+      return new DummyCredential(this);
+    }
+
+  }
+
+}

src/main/java/es/upv/i3m/grycap/im/auth/credential/ServiceType.java

@@ -0,0 +1,32 @@
+package es.upv.i3m.grycap.im.auth.credential;
+
+public enum ServiceType {
+
+  //@formatter:off
+  INFRASTRUCTURE_MANAGER("InfrastructureManager"),
+  VMRC("VMRC"),
+  DUMMY("Dummy"),
+  OPENNEBULA("OpenNebula"),
+  EC2("EC2"),
+  FOG_BOW("FogBow"),
+  OPENSTACK("OpenStack"),
+  OCCI("OCCI"),
+  LIB_CLOUD("LibCloud"),
+  DOCKER("Docker"),
+  GCE("GCE"),
+  AZURE("Azure"),
+  KUBERNETES("Kubernetes"),
+  LIB_VIRT("LibVirt");
+  //@formatter:on
+
+  private final String value;
+
+  ServiceType(String value) {
+    this.value = value;
+  }
+
+  public final String getValue() {
+    return value;
+  }
+
+}