| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.jackrabbit.vault.util; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| |
| import org.apache.jackrabbit.vault.fs.api.ProgressTrackerListener; |
| |
| /** |
| * <code>HtmlProgressTrackerListener</code> implements a progress tracker listener that writes the progress in HTML. |
| */ |
| public class HtmlProgressListener implements ProgressTrackerListener { |
| |
| private final Writer out; |
| |
| private boolean noScrollTo; |
| |
| private long scrollDelay = 1000; |
| |
| private long lastScrolled = 0; |
| |
| public HtmlProgressListener(Writer out) { |
| this.out = out; |
| } |
| |
| public boolean isNoScrollTo() { |
| return noScrollTo; |
| } |
| |
| public HtmlProgressListener setNoScrollTo(boolean noScrollTo) { |
| this.noScrollTo = noScrollTo; |
| return this; |
| } |
| |
| public long getScrollDelay() { |
| return scrollDelay; |
| } |
| |
| public HtmlProgressListener setScrollDelay(long scrollDelay) { |
| this.scrollDelay = scrollDelay; |
| return this; |
| } |
| |
| public void onError(Mode mode, String path, Exception e) { |
| print(mode, "E", path, e.toString()); |
| } |
| |
| public void onMessage(Mode mode, String action, String path) { |
| print(mode, action, path, null); |
| } |
| |
| private void print(Mode mode, String action, String path, String msg) { |
| try { |
| action = Text.encodeIllegalXMLCharacters(action); |
| path = Text.encodeIllegalXMLCharacters(path); |
| msg = msg == null ? null : Text.encodeIllegalXMLCharacters(msg); |
| out.write("<span class=\""); |
| out.write(action); |
| out.write("\">"); |
| out.write("<b>"); |
| out.write(action); |
| out.write("</b> "); |
| out.write(path); |
| if (msg != null) { |
| out.write(" ("); |
| out.write(msg); |
| out.write(")"); |
| } |
| out.write("</span><br>\r\n"); |
| if (!noScrollTo) { |
| long now = System.currentTimeMillis(); |
| if (now > lastScrolled + scrollDelay) { |
| lastScrolled = now; |
| out.write("<script>\r\n"); |
| out.write("window.scrollTo(0, 1000000);\r\n"); |
| out.write("</script>\r\n"); |
| } |
| } |
| out.flush(); |
| } catch (IOException e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| |
| } |