JDK 11 java.xml.crypto.jmod - XML Crypto Module

JDK 11 java.xml.crypto.jmod is the JMOD file for JDK 11 XML (eXtensible Markup Language) Crypto module.

JDK 11 XML Crypto module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.xml.crypto.jmod.

JDK 11 XML Crypto module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 XML Crypto module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.xml.crypto.

You can click and view the content of each source code file in the list below.

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javax/xml/crypto/dsig/TransformService.java

/*
 * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */
/*
 * $Id: TransformService.java,v 1.6.4.1 2005/09/15 12:42:11 mullan Exp $
 */
package javax.xml.crypto.dsig;

import java.security.InvalidAlgorithmParameterException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.Provider;
import java.security.Provider.Service;
import java.security.Security;
import java.util.*;
import javax.xml.crypto.MarshalException;
import javax.xml.crypto.XMLStructure;
import javax.xml.crypto.XMLCryptoContext;
import javax.xml.crypto.dsig.spec.TransformParameterSpec;


/**
 * A Service Provider Interface for transform and canonicalization algorithms.
 *
 * <p>Each instance of <code>TransformService</code> supports a specific
 * transform or canonicalization algorithm and XML mechanism type. To create a
 * <code>TransformService</code>, call one of the static
 * {@link #getInstance getInstance} methods, passing in the algorithm URI and
 * XML mechanism type desired, for example:
 *
 * <blockquote><code>
 * TransformService ts = TransformService.getInstance(Transform.XPATH2, "DOM");
 * </code></blockquote>
 *
 * <p><code>TransformService</code> implementations are registered and loaded
 * using the {@link java.security.Provider} mechanism.  Each
 * <code>TransformService</code> service provider implementation should include
 * a <code>MechanismType</code> service attribute that identifies the XML
 * mechanism type that it supports. If the attribute is not specified,
 * "DOM" is assumed. For example, a service provider that supports the
 * XPath Filter 2 Transform and DOM mechanism would be specified in the
 * <code>Provider</code> subclass as:
 * <pre>
 *     put("TransformService." + Transform.XPATH2,
 *         "org.example.XPath2TransformService");
 *     put("TransformService." + Transform.XPATH2 + " MechanismType", "DOM");
 * </pre>
 * <code>TransformService</code> implementations that support the DOM
 * mechanism type must abide by the DOM interoperability requirements defined
 * in the
 * {@extLink security_guide_xmldsig_rqmts DOM Mechanism Requirements} section
 * of the API overview. See the
 * {@extLink security_guide_xmldsig_provider Service Providers} section of
 * the API overview for a list of standard mechanism types.
 * <p>
 * Once a <code>TransformService</code> has been created, it can be used
 * to process <code>Transform</code> or <code>CanonicalizationMethod</code>
 * objects. If the <code>Transform</code> or <code>CanonicalizationMethod</code>
 * exists in XML form (for example, when validating an existing
 * <code>XMLSignature</code>), the {@link #init(XMLStructure, XMLCryptoContext)}
 * method must be first called to initialize the transform and provide document
 * context (even if there are no parameters). Alternatively, if the
 * <code>Transform</code> or <code>CanonicalizationMethod</code> is being
 * created from scratch, the {@link #init(TransformParameterSpec)} method
 * is called to initialize the transform with parameters and the
 * {@link #marshalParams marshalParams} method is called to marshal the
 * parameters to XML and provide the transform with document context. Finally,
 * the {@link #transform transform} method is called to perform the
 * transformation.
 * <p>
 * <b>Concurrent Access</b>
 * <p>The static methods of this class are guaranteed to be thread-safe.
 * Multiple threads may concurrently invoke the static methods defined in this
 * class with no ill effects.
 *
 * <p>However, this is not true for the non-static methods defined by this
 * class. Unless otherwise documented by a specific provider, threads that
 * need to access a single <code>TransformService</code> instance
 * concurrently should synchronize amongst themselves and provide the
 * necessary locking. Multiple threads each manipulating a different
 * <code>TransformService</code> instance need not synchronize.
 *
 * @author Sean Mullan
 * @author JSR 105 Expert Group
 * @since 1.6
 */
public abstract class TransformService implements Transform {

    private String algorithm;
    private String mechanism;
    private Provider provider;

    /**
     * Default constructor, for invocation by subclasses.
     */
    protected TransformService() {}

    /**
     * Returns a <code>TransformService</code> that supports the specified
     * algorithm URI (ex: {@link Transform#XPATH2}) and mechanism type
     * (ex: DOM).
     *
     * <p>This method uses the standard JCA provider lookup mechanism to
     * locate and instantiate a <code>TransformService</code> implementation
     * of the desired algorithm and <code>MechanismType</code> service
     * attribute. It traverses the list of registered security
     * <code>Provider</code>s, starting with the most preferred
     * <code>Provider</code>. A new <code>TransformService</code> object
     * from the first <code>Provider</code> that supports the specified
     * algorithm and mechanism type is returned.
     *
     * <p> Note that the list of registered providers may be retrieved via
     * the {@link Security#getProviders() Security.getProviders()} method.
     *
     * @implNote
     * The JDK Reference Implementation additionally uses the
     * {@code jdk.security.provider.preferred}
     * {@link Security#getProperty(String) Security} property to determine
     * the preferred provider order for the specified algorithm. This
     * may be different than the order of providers returned by
     * {@link Security#getProviders() Security.getProviders()}.
     *
     * @param algorithm the URI of the algorithm
     * @param mechanismType the type of the XML processing mechanism and
     *   representation
     * @return a new <code>TransformService</code>
     * @throws NullPointerException if <code>algorithm</code> or
     *   <code>mechanismType</code> is  <code>null</code>
     * @throws NoSuchAlgorithmException if no <code>Provider</code> supports a
     *   <code>TransformService</code> implementation for the specified
     *   algorithm and mechanism type
     * @see Provider
     */
    public static TransformService getInstance
        (String algorithm, String mechanismType)
        throws NoSuchAlgorithmException {
        if (mechanismType == null || algorithm == null) {
            throw new NullPointerException();
        }
        boolean dom = false;
        if (mechanismType.equals("DOM")) {
            dom = true;
        }

        Provider[] provs = Security.getProviders();
        for (Provider p : provs) {
            Service s = p.getService("TransformService", algorithm);
            if (s != null) {
                String value = s.getAttribute("MechanismType");
                if ((value == null && dom) ||
                    (value != null && value.equals(mechanismType))) {
                    Object obj = s.newInstance(null);
                    if (obj instanceof TransformService) {
                        TransformService ts = (TransformService) obj;
                        ts.algorithm = algorithm;
                        ts.mechanism = mechanismType;
                        ts.provider = p;
                        return ts;
                    }
                }
            }
        }
        throw new NoSuchAlgorithmException
            (algorithm + " algorithm and " + mechanismType
                 + " mechanism not available");
    }

    /**
     * Returns a <code>TransformService</code> that supports the specified
     * algorithm URI (ex: {@link Transform#XPATH2}) and mechanism type
     * (ex: DOM) as supplied by the specified provider. Note that the specified
     * <code>Provider</code> object does not have to be registered in the
     * provider list.
     *
     * @param algorithm the URI of the algorithm
     * @param mechanismType the type of the XML processing mechanism and
     *   representation
     * @param provider the <code>Provider</code> object
     * @return a new <code>TransformService</code>
     * @throws NullPointerException if <code>provider</code>,
     *   <code>algorithm</code>, or <code>mechanismType</code> is
     *   <code>null</code>
     * @throws NoSuchAlgorithmException if a <code>TransformService</code>
     *   implementation for the specified algorithm and mechanism type is not
     *   available from the specified <code>Provider</code> object
     * @see Provider
     */
    public static TransformService getInstance
        (String algorithm, String mechanismType, Provider provider)
        throws NoSuchAlgorithmException {
        if (mechanismType == null || algorithm == null || provider == null) {
            throw new NullPointerException();
        }

        boolean dom = false;
        if (mechanismType.equals("DOM")) {
            dom = true;
        }
        Service s = provider.getService("TransformService", algorithm);
        if (s != null) {
            String value = s.getAttribute("MechanismType");
            if ((value == null && dom) ||
                (value != null && value.equals(mechanismType))) {
                Object obj = s.newInstance(null);
                if (obj instanceof TransformService) {
                    TransformService ts = (TransformService) obj;
                    ts.algorithm = algorithm;
                    ts.mechanism = mechanismType;
                    ts.provider = provider;
                    return ts;
                }
            }
        }
        throw new NoSuchAlgorithmException
            (algorithm + " algorithm and " + mechanismType
                 + " mechanism not available from " + provider.getName());
    }

    /**
     * Returns a <code>TransformService</code> that supports the specified
     * algorithm URI (ex: {@link Transform#XPATH2}) and mechanism type
     * (ex: DOM) as supplied by the specified provider. The specified provider
     * must be registered in the security provider list.
     *
     * <p>Note that the list of registered providers may be retrieved via
     * the {@link Security#getProviders() Security.getProviders()} method.
     *
     * @param algorithm the URI of the algorithm
     * @param mechanismType the type of the XML processing mechanism and
     *   representation
     * @param provider the string name of the provider
     * @return a new <code>TransformService</code>
     * @throws NoSuchProviderException if the specified provider is not
     *   registered in the security provider list
     * @throws NullPointerException if <code>provider</code>,
     *   <code>mechanismType</code>, or <code>algorithm</code> is
     *   <code>null</code>
     * @throws NoSuchAlgorithmException if a <code>TransformService</code>
     *   implementation for the specified algorithm and mechanism type is not
     *   available from the specified provider
     * @see Provider
     */
    public static TransformService getInstance
        (String algorithm, String mechanismType, String provider)
        throws NoSuchAlgorithmException, NoSuchProviderException {
        if (mechanismType == null || algorithm == null || provider == null) {
            throw new NullPointerException();
        } else if (provider.length() == 0) {
            throw new NoSuchProviderException();
        }
        boolean dom = false;
        if (mechanismType.equals("DOM")) {
            dom = true;
        }
        Provider p = Security.getProvider(provider);
        if (p == null) {
            throw new NoSuchProviderException("No such provider: " +
                                              provider);
        }
        Service s = p.getService("TransformService", algorithm);
        if (s != null) {
            String value = s.getAttribute("MechanismType");
            if ((value == null && dom) ||
                (value != null && value.equals(mechanismType))) {
                Object obj = s.newInstance(null);
                if (obj instanceof TransformService) {
                    TransformService ts = (TransformService) obj;
                    ts.algorithm = algorithm;
                    ts.mechanism = mechanismType;
                    ts.provider = p;
                    return ts;
                }
            }
        }
        throw new NoSuchAlgorithmException
            (algorithm + " algorithm and " + mechanismType
                 + " mechanism not available from " + provider);
    }

    private static class MechanismMapEntry implements Map.Entry<String,String> {
        private final String mechanism;
        private final String algorithm;
        private final String key;
        MechanismMapEntry(String algorithm, String mechanism) {
            this.algorithm = algorithm;
            this.mechanism = mechanism;
            this.key = "TransformService." + algorithm + " MechanismType";
        }
        public boolean equals(Object o) {
            if (!(o instanceof Map.Entry)) {
                return false;
            }
            Map.Entry<?,?> e = (Map.Entry<?,?>) o;
            return (getKey()==null ?
                    e.getKey()==null : getKey().equals(e.getKey())) &&
                   (getValue()==null ?
                    e.getValue()==null : getValue().equals(e.getValue()));
        }
        public String getKey() {
            return key;
        }
        public String getValue() {
            return mechanism;
        }
        public String setValue(String value) {
            throw new UnsupportedOperationException();
        }
        public int hashCode() {
            return (getKey()==null ? 0 : getKey().hashCode()) ^
                   (getValue()==null ? 0 : getValue().hashCode());
        }
    }

    /**
     * Returns the mechanism type supported by this <code>TransformService</code>.
     *
     * @return the mechanism type
     */
    public final String getMechanismType() {
        return mechanism;
    }

    /**
     * Returns the URI of the algorithm supported by this
     * <code>TransformService</code>.
     *
     * @return the algorithm URI
     */
    public final String getAlgorithm() {
        return algorithm;
    }

    /**
     * Returns the provider of this <code>TransformService</code>.
     *
     * @return the provider
     */
    public final Provider getProvider() {
        return provider;
    }

    /**
     * Initializes this <code>TransformService</code> with the specified
     * parameters.
     *
     * <p>If the parameters exist in XML form, the
     * {@link #init(XMLStructure, XMLCryptoContext)} method should be used to
     * initialize the <code>TransformService</code>.
     *
     * @param params the algorithm parameters (may be <code>null</code> if
     *   not required or optional)
     * @throws InvalidAlgorithmParameterException if the specified parameters
     *   are invalid for this algorithm
     */
    public abstract void init(TransformParameterSpec params)
        throws InvalidAlgorithmParameterException;

    /**
     * Marshals the algorithm-specific parameters. If there are no parameters
     * to be marshalled, this method returns without throwing an exception.
     *
     * @param parent a mechanism-specific structure containing the parent
     *    node that the marshalled parameters should be appended to
     * @param context the <code>XMLCryptoContext</code> containing
     *    additional context (may be <code>null</code> if not applicable)
     * @throws ClassCastException if the type of <code>parent</code> or
     *    <code>context</code> is not compatible with this
     *    <code>TransformService</code>
     * @throws NullPointerException if <code>parent</code> is <code>null</code>
     * @throws MarshalException if the parameters cannot be marshalled
     */
    public abstract void marshalParams
        (XMLStructure parent, XMLCryptoContext context)
        throws MarshalException;

    /**
     * Initializes this <code>TransformService</code> with the specified
     * parameters and document context.
     *
     * @param parent a mechanism-specific structure containing the parent
     *    structure
     * @param context the <code>XMLCryptoContext</code> containing
     *    additional context (may be <code>null</code> if not applicable)
     * @throws ClassCastException if the type of <code>parent</code> or
     *    <code>context</code> is not compatible with this
     *    <code>TransformService</code>
     * @throws NullPointerException if <code>parent</code> is <code>null</code>
     * @throws InvalidAlgorithmParameterException if the specified parameters
     *   are invalid for this algorithm
     */
    public abstract void init(XMLStructure parent, XMLCryptoContext context)
        throws InvalidAlgorithmParameterException;
}

javax/xml/crypto/dsig/TransformService.java

 

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