import com.sun.org.apache.xml.internal.security.c14n.implementations.CanonicalizerPhysical; //导入依赖的package包/类
/**
 * This method registers the default algorithms.
 */
public static void registerDefaultAlgorithms() {
    canonicalizerHash.put(
        Canonicalizer.ALGO_ID_C14N_OMIT_COMMENTS,
        Canonicalizer20010315OmitComments.class
    );
    canonicalizerHash.put(
        Canonicalizer.ALGO_ID_C14N_WITH_COMMENTS,
        Canonicalizer20010315WithComments.class
    );
    canonicalizerHash.put(
        Canonicalizer.ALGO_ID_C14N_EXCL_OMIT_COMMENTS,
        Canonicalizer20010315ExclOmitComments.class
    );
    canonicalizerHash.put(
        Canonicalizer.ALGO_ID_C14N_EXCL_WITH_COMMENTS,
        Canonicalizer20010315ExclWithComments.class
    );
    canonicalizerHash.put(
        Canonicalizer.ALGO_ID_C14N11_OMIT_COMMENTS,
        Canonicalizer11_OmitComments.class
    );
    canonicalizerHash.put(
        Canonicalizer.ALGO_ID_C14N11_WITH_COMMENTS,
        Canonicalizer11_WithComments.class
    );
    canonicalizerHash.put(
        Canonicalizer.ALGO_ID_C14N_PHYSICAL,
        CanonicalizerPhysical.class
    );
}