| /******************************************************************************* |
| * Copyright (c) 2004, 2015 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.tests.resources.content; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import org.eclipse.core.runtime.QualifiedName; |
| import org.eclipse.core.runtime.content.IContentDescriber; |
| import org.eclipse.core.runtime.content.IContentDescription; |
| |
| public class MyContentDescriber implements IContentDescriber { |
| public static final Object[] MY_OPTION_VALUES = {"FOO", null, "BAR"}; |
| public static final String SIGNATURE = "MY_CONTENTS"; |
| |
| public static final QualifiedName[] MY_OPTIONS = {new QualifiedName(ContentTypeTest.PI_RESOURCES_TESTS, "my_option_1"), new QualifiedName(ContentTypeTest.PI_RESOURCES_TESTS, "my_option_2"), new QualifiedName(ContentTypeTest.PI_RESOURCES_TESTS, "my_option_3")}; |
| |
| public MyContentDescriber() { |
| super(); |
| } |
| |
| @Override |
| public int describe(InputStream contents, IContentDescription description) throws IOException { |
| byte[] signature = SIGNATURE.getBytes("US-ASCII"); |
| byte[] buffer = new byte[signature.length]; |
| if (contents.read(buffer) != buffer.length) { |
| return INVALID; |
| } |
| for (int i = 0; i < signature.length; i++) { |
| if (signature[i] != buffer[i]) { |
| return INVALID; |
| } |
| } |
| if (description == null) { |
| return VALID; |
| } |
| for (int i = 0; i < MY_OPTIONS.length; i++) { |
| setIfRequested(description, i); |
| } |
| return VALID; |
| } |
| |
| @Override |
| public QualifiedName[] getSupportedOptions() { |
| return MY_OPTIONS; |
| } |
| |
| private void setIfRequested(IContentDescription description, int option) { |
| if (description.isRequested(MY_OPTIONS[option])) { |
| description.setProperty(MY_OPTIONS[option], MY_OPTION_VALUES[option]); |
| } |
| } |
| } |