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Diffstat (limited to 'src/main/java/com/gitblit/utils/HtmlBuilder.java')
-rw-r--r-- | src/main/java/com/gitblit/utils/HtmlBuilder.java | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/main/java/com/gitblit/utils/HtmlBuilder.java b/src/main/java/com/gitblit/utils/HtmlBuilder.java new file mode 100644 index 00000000..6208ea82 --- /dev/null +++ b/src/main/java/com/gitblit/utils/HtmlBuilder.java @@ -0,0 +1,96 @@ +/* + * Copyright 2014 Tom <tw201207@gmail.com> + * + * Licensed 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 com.gitblit.utils; + +import org.jsoup.nodes.Document; +import org.jsoup.nodes.Element; +import org.jsoup.parser.Tag; + +/** + * Simple helper class to hide some common setup needed to use JSoup as an HTML generator. + * A {@link HtmlBuilder} has a root element that can be manipulated in all the usual JSoup + * ways (but not added to some {@link Document}); to generate HTML for that root element, + * the builder's {@link #toString()} method can be used. (Or one can invoke toString() + * directly on the root element.) By default, a HTML builder does not pretty-print the HTML. + * + * @author Tom <tw201207@gmail.com> + */ +public class HtmlBuilder { + + private final Document shell; + private final Element root; + + /** + * Creates a new HTML builder with a root element with the given {@code tagName}. + * + * @param tagName + * of the {@link Element} to set as the root element. + */ + public HtmlBuilder(String tagName) { + this(new Element(Tag.valueOf(tagName), "")); + } + + /** + * Creates a new HTML builder for the given element. + * + * @param element + * to set as the root element of this HTML builder. + */ + public HtmlBuilder(Element element) { + shell = Document.createShell(""); + shell.outputSettings().prettyPrint(false); + shell.body().appendChild(element); + root = element; + } + + /** @return the root element of this HTML builder */ + public Element getRoot() { + return root; + } + + /** @return the root element of this HTML builder */ + public Element root() { + return root; + } + + /** @return whether this HTML builder will pretty-print the HTML generated by {@link #toString()} */ + public boolean prettyPrint() { + return shell.outputSettings().prettyPrint(); + } + + /** + * Sets whether this HTML builder will produce pretty-printed HTML in its {@link #toString()} method. + * + * @param pretty + * whether to pretty-print + * @return the HTML builder itself + */ + public HtmlBuilder prettyPrint(boolean pretty) { + shell.outputSettings().prettyPrint(pretty); + return this; + } + + /** @return the HTML for the root element. */ + @Override + public String toString() { + return root.toString(); + } + + /** @return the {@link Document} used as generation shell. */ + protected Document getShell() { + return shell; + } +} |