import com.sun.xml.internal.fastinfoset.vocab.SerializerVocabulary; //导入依赖的package包/类
/**
 * Create a new (@link StAXDocumentSerializer} instance.
 *
 * @param in the OutputStream to serialize to.
 * @param retainState if true the serializer should retain the state of
 *        vocabulary tables for multiple serializations.
 * @return a new {@link StAXDocumentSerializer} instance.
 */
/* package */ static StAXDocumentSerializer createNewStreamWriter(OutputStream out,
        boolean retainState, int indexedStringSizeLimit, int stringsMemoryLimit) {
    StAXDocumentSerializer serializer = new StAXDocumentSerializer(out);
    if (retainState) {
        /**
         * Create a serializer vocabulary external to the serializer.
         * This will ensure that the vocabulary will never be cleared
         * for each serialization and will be retained (and will grow)
         * for each serialization
         */
        SerializerVocabulary vocabulary = new SerializerVocabulary();
        serializer.setVocabulary(vocabulary);
        serializer.setMinAttributeValueSize(0);
        serializer.setMaxAttributeValueSize(indexedStringSizeLimit);
        serializer.setMinCharacterContentChunkSize(0);
        serializer.setMaxCharacterContentChunkSize(indexedStringSizeLimit);
        serializer.setAttributeValueMapMemoryLimit(stringsMemoryLimit);
        serializer.setCharacterContentChunkMapMemoryLimit(stringsMemoryLimit);
    }
    return serializer;
}
 

import com.sun.xml.internal.fastinfoset.vocab.SerializerVocabulary; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
public void setExternalVocabulary(ExternalVocabulary v) {
    // Create internal serializer vocabulary
    _v = new SerializerVocabulary();
    // Set the external vocabulary
    SerializerVocabulary ev = new SerializerVocabulary(v.vocabulary,
            _useLocalNameAsKeyForQualifiedNameLookup);
    _v.setExternalVocabulary(v.URI,
            ev, false);

    _vIsInternal = true;
}
 

import com.sun.xml.internal.fastinfoset.vocab.SerializerVocabulary; //导入依赖的package包/类
/** Creates a new instance of VocabularyGenerator */
public VocabularyGenerator() {
    _serializerVocabulary = new SerializerVocabulary();
    _parserVocabulary = new ParserVocabulary();

    _v = new com.sun.xml.internal.org.jvnet.fastinfoset.Vocabulary();
}