| /* |
| * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.xml.transform; |
| |
| /** |
| * An object that implements this interface contains the information |
| * needed to act as source input (XML source or transformation instructions). |
| * |
| * @since 1.4 |
| */ |
| public interface Source { |
| |
| /** |
| * Set the system identifier for this Source. |
| * |
| * <p>The system identifier is optional if the source does not |
| * get its data from a URL, but it may still be useful to provide one. |
| * The application can use a system identifier, for example, to resolve |
| * relative URIs and to include in error messages and warnings.</p> |
| * |
| * @param systemId The system identifier as a URL string. |
| */ |
| public void setSystemId(String systemId); |
| |
| /** |
| * Get the system identifier that was set with setSystemId. |
| * |
| * @return The system identifier that was set with setSystemId, or null |
| * if setSystemId was not called. |
| */ |
| public String getSystemId(); |
| |
| /** |
| * Indicates whether the {@code Source} object is empty. Empty means |
| * that there is no input available from this Source. |
| * |
| * @implSpec The default implementation of this method throws |
| * {@link UnsupportedOperationException}. |
| * |
| * @return true if the {@code Source} object is empty, false otherwise |
| */ |
| default boolean isEmpty() { |
| throw new UnsupportedOperationException("The isEmpty method is not supported."); |
| } |
| } |