import com.sun.org.apache.xerces.internal.xs.XSException; //导入依赖的package包/类
public XSLoader createXSLoader(StringList versions) throws XSException {
    XSLoader loader = new XSLoaderImpl();
    if (versions == null){
                    return loader;
    }
    for (int i=0; i<versions.getLength();i++){
            if (!versions.item(i).equals("1.0")){
                            String msg =
                                    DOMMessageFormatter.formatMessage(
                                            DOMMessageFormatter.DOM_DOMAIN,
                                            "FEATURE_NOT_SUPPORTED",
                                            new Object[] { versions.item(i) });
                            throw new XSException(XSException.NOT_SUPPORTED_ERR, msg);
            }
    }
    return loader;
}
 

import com.sun.org.apache.xerces.internal.xs.XSException; //导入依赖的package包/类
public short item(int index) throws XSException {
    if (index < 0 || index >= fLength) {
        throw new XSException(XSException.INDEX_SIZE_ERR, null);
    }
    return fArray[index];
}
 

import com.sun.org.apache.xerces.internal.xs.XSException; //导入依赖的package包/类
/**
 * Returns the <code>index</code>th item in the collection. The index
 * starts at 0.
 * @param index  index into the collection.
 * @return  The <code>byte</code> at the <code>index</code>th
 *   position in the <code>ByteList</code>.
 * @exception XSException
 *   INDEX_SIZE_ERR: if <code>index</code> is greater than or equal to the
 *   number of objects in the list.
 */
public byte item(int index)
    throws XSException {

    if(index < 0 || index > data.length - 1) {
        throw new XSException(XSException.INDEX_SIZE_ERR, null);
    }
    return data[index];
}
 

import com.sun.org.apache.xerces.internal.xs.XSException; //导入依赖的package包/类
/**
 * Returns the <code>index</code>th item in the collection. The index
 * starts at 0.
 * @param index  index into the collection.
 * @return  The <code>byte</code> at the <code>index</code>th
 *   position in the <code>ByteList</code>.
 * @exception XSException
 *   INDEX_SIZE_ERR: if <code>index</code> is greater than or equal to the
 *   number of objects in the list or less than zero.
 */
public byte item(int index) throws XSException;