saml2tokenholder.java

开源的OpenId的一个java实现

package org.wso2.solutions.identity.relyingparty.saml.tokens;

import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.opensaml.saml2.core.Assertion;
import org.opensaml.saml2.core.Attribute;
import org.opensaml.saml2.core.AttributeStatement;
import org.opensaml.xml.Configuration;
import org.opensaml.xml.io.Unmarshaller;
import org.opensaml.xml.io.UnmarshallerFactory;
import org.opensaml.xml.io.UnmarshallingException;
import org.opensaml.xml.schema.XSAny;
import org.opensaml.xml.schema.XSString;
import org.opensaml.xml.signature.Signature;
import org.w3c.dom.Element;

public class SAML2TokenHolder implements TokenHolder {

    private Assertion assertion = null;

    private boolean isMultipleValues = false;

    private static Log log = LogFactory.getLog(SAML1TokenHolder.class);

    /**
     * Creates the SAML object from the element This method must be called first
     * 
     * @param elem
     * @throws UnmarshallingException
     *             If the token creation fails
     */
    public void createToken(Element elem) throws UnmarshallingException {
        UnmarshallerFactory unmarshallerFactory = Configuration
                .getUnmarshallerFactory();
        Unmarshaller unmarshaller = unmarshallerFactory.getUnmarshaller(elem);

        assertion = (Assertion) unmarshaller.unmarshall(elem);
    }

    /**
     * @return the SAML signature.
     */
    public Signature getSAMLSignature() {
        return assertion.getSignature();
    }

    /**
     * Issuer of the SAML token
     * 
     * @return
     */
    public String getIssuerName() {
        return assertion.getIssuer().getValue();
    }

    /**
     * Populates the attributes.
     * 
     * @param attributeTable
     */
    public void populateAttributeTable(Map attributeTable) {
        Iterator statements = assertion.getAttributeStatements().iterator();
        while (statements.hasNext()) {
            AttributeStatement stmt = (AttributeStatement) statements.next();
            Iterator attrs = stmt.getAttributes().iterator();
            while (attrs.hasNext()) {
                Attribute attr = (Attribute) attrs.next();
                String attrNamesapce = attr.getNameFormat();
                String attrName = attr.getName();
                String name = attrNamesapce + "/" + attrName;

                List lst = attr.getAttributeValues();
                Iterator ite = lst.iterator();
                int count = 0;
                StringBuffer buff = new StringBuffer();
                while (ite.hasNext()) {
                    Object obj = ite.next();
                    if (obj instanceof XSString) {
                        buff.append(((XSString) obj).getValue());
                    } else if (obj instanceof XSAny) {
                        XSAny any = (XSAny) obj;
                        String value = any.getTextContent();
                        buff.append(value);
                    }
                    buff.append(",");
                    count++;
                }

                if (buff.length() > 1) {
                    buff.deleteCharAt(buff.length() - 1);
                }

                String value = buff.toString();

                if (count > 1) {
                    isMultipleValues = true;
                }

                attributeTable.put(name, value);
            }
        }

    }

}