import org.opensaml.saml2.binding.artifact.SAML2ArtifactType0004; //导入依赖的package包/类
/**
 * 
 * @param endPointIndex The endPointIndex to be used
 * @param entityID The entityID of the Identity Provider
 * @return An artifact for the given enitiyID
 */
public static SAML2ArtifactType0004 buildArtifact(int endPointIndex, String entityID) {
    try {
        byte[] endpointIndex = DatatypeHelper.intToByteArray(endPointIndex);
        byte[] trimmedIndex = new byte[2];
        trimmedIndex[0] = endpointIndex[2];
        trimmedIndex[1] = endpointIndex[3];

        MessageDigest sha1Digester = MessageDigest.getInstance(OIOSAMLConstants.SHA_HASH_ALGORHTM);
        byte[] source = sha1Digester.digest(entityID.getBytes());

        SecureRandom handleGenerator = SecureRandom.getInstance("SHA1PRNG");
        byte[] assertionHandle;
        assertionHandle = new byte[20];
        handleGenerator.nextBytes(assertionHandle);

        return new BRSArtifactType0004(trimmedIndex, source, assertionHandle);
    } catch (NoSuchAlgorithmException e) {
        throw new InternalError("JVM does not support required cryptography algorithms: SHA-1/SHA1PRNG.");
    }
}
 

import org.opensaml.saml2.binding.artifact.SAML2ArtifactType0004; //导入依赖的package包/类
/**
 * {@inheritDoc}
 * We ignore prefixes for SAML compliance.
 */
@Override
public String getNewTicketId(final String prefix) {
    if (saml2compliant) {
        return new SAML2ArtifactType0004(ENDPOINT_ID, newAssertionHandle(), sourceIdDigest).base64Encode();
    } else {
        return new SAML1ArtifactType0001(this.sourceIdDigest, newAssertionHandle()).base64Encode();
    }
}
 

import org.opensaml.saml2.binding.artifact.SAML2ArtifactType0004; //导入依赖的package包/类
/**
 * Constructor.
 * 
 * @param engine velocity engine used to construct the POST form
 * @param template ID of velocity template used to construct the POST form
 * @param map artifact map used to store artifact/message bindings
 */
public HTTPArtifactEncoder(VelocityEngine engine, String template, SAMLArtifactMap map) {
    super();
    postEncoding = false;
    velocityEngine = engine;
    velocityTemplateId = template;
    artifactMap = map;
    defaultArtifactType = SAML2ArtifactType0004.TYPE_CODE;
}
 

import org.opensaml.saml2.binding.artifact.SAML2ArtifactType0004; //导入依赖的package包/类
/**
   * Decode the SAML artifact
   * @param samlArt The base64 encoded SAML artifact
   * @return The decoded SAML artifact
   * @throws BindingException If the SAML artifact is not valid
   */
  private SAML2ArtifactType0004 decodeArtifact(String samlArt) throws BindingException {
byte[] artifactBytes = Base64.decode(samlArt);
AbstractSAML2Artifact artifact = artifactFactory.buildArtifact(artifactBytes);
if (artifact instanceof SAML2ArtifactType0004) {
	return (SAML2ArtifactType0004) artifact;
} else {
	throw new BindingException("The artifact is not of the expected type: SAML2ArtifactType004");
}
  }
 

import org.opensaml.saml2.binding.artifact.SAML2ArtifactType0004; //导入依赖的package包/类
private ByteArrayOutputStream generateArtifact() throws IOException,
		NoSuchAlgorithmException, UnsupportedEncodingException {
	final ByteArrayOutputStream bos = new ByteArrayOutputStream();
	bos.write(SAML2ArtifactType0004.TYPE_CODE);
	bos.write(0);
	bos.write(0);
	MessageDigest md = MessageDigest.getInstance(OIOSAMLConstants.SHA_HASH_ALGORHTM);
	bos.write(md.digest("idp1.test.oio.dk".getBytes("UTF-8")));
	bos.write("12345678901234567890".getBytes());
	return bos;
}
 

import org.opensaml.saml2.binding.artifact.SAML2ArtifactType0004; //导入依赖的package包/类
public BRSArtifactType0004(byte[] endpointIndex, byte[] source, byte[] handle) {
	super(endpointIndex, source, handle);
	// OpenSAML forgets to set the TYPE_CODE, so we have to set it here
	this.setTypeCode(SAML2ArtifactType0004.TYPE_CODE);
}
 

import org.opensaml.saml2.binding.artifact.SAML2ArtifactType0004; //导入依赖的package包/类
private byte[] retrieveSourceId(String artifact) {
    SAML2ArtifactBuilderFactory builder  = new SAML2ArtifactBuilderFactory();
    SAML2ArtifactType0004 art = (SAML2ArtifactType0004) builder.buildArtifact(artifact);
    return art.getSourceID();
}