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Diffstat (limited to 'prov/src/main/jdk1.3/org/bouncycastle/jce/cert/CertPathBuilder.java')
| -rw-r--r-- | prov/src/main/jdk1.3/org/bouncycastle/jce/cert/CertPathBuilder.java | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/prov/src/main/jdk1.3/org/bouncycastle/jce/cert/CertPathBuilder.java b/prov/src/main/jdk1.3/org/bouncycastle/jce/cert/CertPathBuilder.java deleted file mode 100644 index 56b06477..00000000 --- a/prov/src/main/jdk1.3/org/bouncycastle/jce/cert/CertPathBuilder.java +++ /dev/null @@ -1,255 +0,0 @@ -package org.bouncycastle.jce.cert; - -import java.security.InvalidAlgorithmParameterException; -import java.security.NoSuchAlgorithmException; -import java.security.NoSuchProviderException; -import java.security.Provider; -import java.security.Security; - -/** - * A class for building certification paths (also known as certificate chains).<br /> - * <br /> - * This class uses a provider-based architecture, as described in the Java - * Cryptography Architecture. To create a <code>CertPathBuilder</code>, call - * one of the static <code>getInstance</code> methods, passing in the - * algorithm name of the CertPathBuilder desired and optionally the name of the - * provider desired.<br /> - * <br /> - * Once a <code>CertPathBuilder</code> object has been created, certification - * paths can be constructed by calling the {@link #build build} method and - * passing it an algorithm-specific set of parameters. If successful, the result - * (including the CertPath that was built) is returned in an object that - * implements the <code>CertPathBuilderResult</code> interface.<br /> - * <br /> - * <strong>Concurrent Access</strong><br /> - * <br /> - * 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.<br /> - * <br /> - * 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>CertPathBuilder</code> instance concurrently should - * synchronize amongst themselves and provide the necessary locking. Multiple - * threads each manipulating a different <code>CertPathBuilder</code> instance - * need not synchronize.<br /> - * <br /> - */ -public class CertPathBuilder extends Object -{ - private CertPathBuilderSpi builderSpi; - - private Provider provider; - - private String algorithm; - - /** - * Creates a CertPathBuilder object of the given algorithm, and encapsulates - * the given provider implementation (SPI object) in it. - * - * @param builderSpi - * the provider implementation - * @param provider - * the provider - * @param algorithm - * the algorithm name - */ - protected CertPathBuilder( - CertPathBuilderSpi builderSpi, - Provider provider, - String algorithm) - { - this.builderSpi = builderSpi; - this.provider = provider; - this.algorithm = algorithm; - } - - /** - * Returns a CertPathBuilder object that implements the specified algorithm.<br /> - * <br /> - * If the default provider package provides an implementation of the - * specified CertPathBuilder algorithm, an instance of CertPathBuilder - * containing that implementation is returned. If the requested algorithm is - * not available in the default package, other packages are searched.<br /> - * <br /> - * - * @param algorithm - * the name of the requested CertPathBuilder algorithm - * - * @return a CertPathBuilder object that implements the specified algorithm - * - * @exception NoSuchAlgorithmException - * if the requested algorithm is not available in the default - * provider package or any of the other provider packages - * that were searched - */ - public static CertPathBuilder getInstance(String algorithm) - throws NoSuchAlgorithmException - { - try - { - CertUtil.Implementation imp = CertUtil.getImplementation( - "CertPathBuilder", algorithm, (String)null); - if (imp != null) - { - return new CertPathBuilder((CertPathBuilderSpi)imp.getEngine(), - imp.getProvider(), algorithm); - } - } - catch (NoSuchProviderException ex) - { - } - throw new NoSuchAlgorithmException("can't find type " + algorithm); - } - - /** - * Returns a CertPathBuilder object that implements the specified algorithm, - * as supplied by the specified provider. - * - * @param algorithm - * the name of the requested CertPathBuilder algorithm - * @param provider - * the name of the provider - * - * @return a CertPathBuilder object that implements the specified algorithm, - * as supplied by the specified provider - * - * @exception NoSuchAlgorithmException - * if the requested algorithm is not available from the - * specified provider - * @exception NoSuchProviderException - * if the provider has not been configured - * @exception IllegalArgumentException - * if the provider is null - */ - public static CertPathBuilder getInstance(String algorithm, String provider) - throws NoSuchAlgorithmException, NoSuchProviderException - { - if (provider == null) - { - throw new IllegalArgumentException("provider must be non-null"); - } - CertUtil.Implementation imp = CertUtil.getImplementation( - "CertPathBuilder", algorithm, provider); - - if (imp != null) - { - return new CertPathBuilder((CertPathBuilderSpi)imp.getEngine(), imp - .getProvider(), algorithm); - } - throw new NoSuchAlgorithmException("can't find type " + algorithm); - } - - /** - * Returns a CertPathBuilder object that implements the specified algorithm, - * as supplied by the specified provider. Note: the provider doesn't have to - * be registered. - * - * @param algorithm - * the name of the requested CertPathBuilder algorithm - * @param provider - * the provider - * @return a CertPathBuilder object that implements the specified algorithm, - * as supplied by the specified provider - * - * @exception NoSuchAlgorithmException - * if the requested algorithm is not available from the - * specified provider - * @exception IllegalArgumentException - * if the provider is null. - */ - public static CertPathBuilder getInstance(String algorithm, - Provider provider) throws NoSuchAlgorithmException - { - if (provider == null) - { - throw new IllegalArgumentException("provider must be non-null"); - } - CertUtil.Implementation imp = CertUtil.getImplementation( - "CertPathBuilder", algorithm, provider); - - if (imp != null) - { - return new CertPathBuilder((CertPathBuilderSpi)imp.getEngine(), - provider, algorithm); - } - throw new NoSuchAlgorithmException("can't find type " + algorithm); - } - - /** - * Returns the provider of this <code>CertPathBuilder</code>. - * - * @return the provider of this <code>CertPathBuilder</code> - */ - public final Provider getProvider() - { - return provider; - } - - /** - * Returns the name of the algorithm of this <code>CertPathBuilder</code>. - * - * @return the name of the algorithm of this <code>CertPathBuilder</code> - */ - public final String getAlgorithm() - { - return algorithm; - } - - /** - * Attempts to build a certification path using the specified algorithm - * parameter set. - * - * @param params - * the algorithm parameters - * - * @return the result of the build algorithm - * - * @exception CertPathBuilderException - * if the builder is unable to construct a certification path - * that satisfies the specified parameters - * @exception InvalidAlgorithmParameterException - * if the specified parameters * are inappropriate for this - * <code>CertPathBuilder</code> - */ - public final CertPathBuilderResult build(CertPathParameters params) - throws CertPathBuilderException, InvalidAlgorithmParameterException - { - return builderSpi.engineBuild(params); - } - - /** - * Returns the default <code>CertPathBuilder</code> type as specified in - * the Java security properties file, or the string "PKIX" if no - * such property exists. The Java security properties file is located in the - * file named <JAVA_HOME>/lib/security/java.security, where - * <JAVA_HOME> refers to the directory where the SDK was installed.<br /> - * <br /> - * The default <code>CertPathBuilder</code> type can be used by - * applications that do not want to use a hard-coded type when calling one - * of the <code>getInstance</code> methods, and want to provide a default - * type in case a user does not specify its own.<br /> - * <br /> - * The default <code>CertPathBuilder</code> type can be changed by setting - * the value of the "certpathbuilder.type" security property (in the Java - * security properties file) to the desired type. - * - * @return the default <code>CertPathBuilder</code> type as specified in - * the Java security properties file, or the string "PKIX" - * if no such property exists. - */ - public static final String getDefaultType() - { - String defaulttype = null; - defaulttype = Security.getProperty("certpathbuilder.type"); - - if (defaulttype == null || defaulttype.length() <= 0) - { - return "PKIX"; - } - else - { - return defaulttype; - } - } -} |