// *************************************************************************************************************************** | |
// * 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.juneau.examples.rest; | |
import static org.apache.juneau.dto.html5.HtmlBuilder.*; | |
import static org.apache.juneau.http.HttpMethodName.*; | |
import org.apache.juneau.jsonschema.annotation.ExternalDocs; | |
import org.apache.juneau.dto.html5.*; | |
import org.apache.juneau.http.annotation.*; | |
import org.apache.juneau.http.annotation.FormData; | |
import org.apache.juneau.rest.*; | |
import org.apache.juneau.rest.annotation.*; | |
/** | |
* Service at <code>/codeFormatter</code>. | |
* Used for executing SQL queries against the repository database. | |
*/ | |
@RestResource( | |
path="/codeFormatter", | |
messages="nls/CodeFormatterResource", | |
title="Code Formatter", | |
description="Utility for generating HTML code-formatted source code", | |
htmldoc=@HtmlDoc( | |
navlinks={ | |
"up: servlet:/..", | |
"options: servlet:/?method=OPTIONS", | |
"source: $C{Source/gitHub}/org/apache/juneau/examples/rest/$R{servletClassSimple}.java" | |
}, | |
aside={ | |
"<div style='min-width:200px' class='text'>", | |
" <p>Utility for adding code syntax tags to Java and XML/HTML code.</p>", | |
" <p>It's by no means perfect, but provides a good starting point.</p>", | |
"</div>" | |
}, | |
style="aside {display:table-caption;}" | |
), | |
swagger=@ResourceSwagger( | |
contact=@Contact(name="Juneau Developer",email="dev@juneau.apache.org"), | |
license=@License(name="Apache 2.0",url="http://www.apache.org/licenses/LICENSE-2.0.html"), | |
version="2.0", | |
termsOfService="You are on your own.", | |
externalDocs=@ExternalDocs(description="Apache Juneau",url="http://juneau.apache.org") | |
) | |
) | |
@SuppressWarnings({"serial"}) | |
public class CodeFormatterResource extends BasicRestServlet { | |
/** [GET /] - Display query entry page. */ | |
@RestMethod | |
public Div get(RestRequest req) { | |
return div( | |
script("text/javascript", | |
new String[]{ | |
"\n // Quick and dirty function to allow tabs in textarea." | |
+"\n function checkTab(e) {" | |
+"\n if (e.keyCode == 9) {" | |
+"\n var t = e.target;" | |
+"\n var ss = t.selectionStart, se = t.selectionEnd;" | |
+"\n t.value = t.value.slice(0,ss).concat('\\t').concat(t.value.slice(ss,t.value.length));" | |
+"\n e.preventDefault();" | |
+"\n }" | |
+"\n }" | |
+"\n // Load results from IFrame into this document." | |
+"\n function loadResults(b) {" | |
+"\n var doc = b.contentDocument || b.contentWindow.document;" | |
+"\n var data = doc.getElementById('data') || doc.getElementsByTagName('body')[0];" | |
+"\n document.getElementById('results').innerHTML = data.innerHTML;" | |
+"\n }"} | |
), | |
form("form").action("codeFormatter").method(POST).target("buff").children( | |
table( | |
tr( | |
th("Language: "), | |
td( | |
select().name("lang").children( | |
option("java","Java"), | |
option("xml", "XML") | |
) | |
), | |
td(button("submit", "Submit"), button("reset", "Reset")) | |
), | |
tr( | |
td().colspan(3).children( | |
textarea().name("code").style("min-width:800px;min-height:400px;font-family:Courier;font-size:9pt;").onkeydown("checkTab(event)") | |
) | |
) | |
) | |
), | |
br(), | |
div().id("results")._class("monospace"), | |
iframe().name("buff").style("display:none").onload("parent.loadResults(this)") | |
); | |
} | |
/** [POST /] - Add syntax highlighting to input. */ | |
@RestMethod | |
public String post(@FormData("code") String code, @FormData("lang") String lang) throws Exception { | |
return highlight(code, lang); | |
} | |
private static String highlight(String code, String lang) throws Exception { | |
if (lang.equalsIgnoreCase("xml")) { | |
code = code.replaceAll("&", "&"); | |
code = code.replaceAll("<", "<"); | |
code = code.replaceAll(">", ">"); | |
code = code.replaceAll("(<[^\\s&]+>)", "<xt>$1</xt>"); | |
code = code.replaceAll("(<[^\\s&]+)(\\s)", "<xt>$1</xt>$2"); | |
code = code.replaceAll("(['\"])(/?>)", "$1<xt>$2</xt>"); | |
code = code.replaceAll("([\\S]+)=", "<xa>$1</xa>="); | |
code = code.replaceAll("=(['\"][^'\"]+['\"])", "=<xs>$1</xs>"); | |
} else if (lang.equalsIgnoreCase("java")) { | |
code = code.replaceAll("&", "&"); | |
code = code.replaceAll("<", "<"); | |
code = code.replaceAll(">", ">"); | |
code = code.replaceAll("(?s)(\\/\\*\\*.*?\\*\\/)", "<jd>$1</jd>"); // javadoc comments | |
code = code.replaceAll("(@\\w+)", "<ja>$1</ja>"); // annotations | |
code = code.replaceAll("(?s)(?!\\/)(\\/\\*.*?\\*\\/)", "<jc>$1</jc>"); // C style comments | |
code = code.replaceAll("(?m)(\\/\\/.*)", "<jc>$1</jc>"); // C++ style comments | |
code = code.replaceAll("(?m)('[^'\n]*'|\"[^\"\n]*\")", "<js>$1</js>"); // quotes | |
code = code.replaceAll("(?<!@)(import|package|boolean|byte|char|double|float|final|static|transient|synchronized|private|protected|public|int|long|short|abstract|class|interface|extends|implements|null|true|false|void|break|case|catch|continue|default|do|else|finally|for|goto|if|instanceof|native|new|return|super|switch|this|threadsafe|throws|throw|try|while)(?=\\W)", "<jk>$1</jk>"); // quotes | |
code = code.replaceAll("<\\/jk>(\\s+)<jk>", "$1"); // quotes | |
} | |
return code; | |
} | |
} |