private void doSave(WebPageContext page) throws IOException, ServletException {
if (!page.isFormPost()) {
throw new IllegalArgumentException("Must post!");
}
new DebugFilter.PageWriter(page) {
{
File file = getFile(page);
Preconditions.checkNotNull(file);
String code = page.paramOrDefault(String.class, "code", "");
try {
CLASS_FOUND:
if (file.isDirectory()) {
Object result = evaluateJava(page.getServletContext(), code);
if (result instanceof Collection) {
for (Object item : (Collection<?>) result) {
if (item instanceof Class) {
file =
new File(
file,
((Class<?>) item).getName().replace('.', File.separatorChar) + ".java");
IoUtils.createParentDirectories(file);
break CLASS_FOUND;
}
}
}
throw new IllegalArgumentException("Syntax error!");
}
IoUtils.createFile(file);
FileOutputStream fileOutput = new FileOutputStream(file);
try {
fileOutput.write(code.replaceAll("(?:\r\n|[\r\n])", "\n").getBytes("UTF-8"));
writeStart("p", "class", "alert alert-success");
writeHtml("Saved Successfully! (");
writeObject(new Date());
writeHtml(")");
writeEnd();
} finally {
fileOutput.close();
}
} catch (Exception ex) {
writeStart("pre", "class", "alert alert-error");
writeObject(ex);
writeEnd();
}
}
};
}
@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
WebPageContext page = new WebPageContext(this, request, response);
String action = page.param(String.class, "action");
if ("run".equals(action)) {
if (page.param(String.class, "isSave") != null) {
doSave(page);
} else {
page.paramOrDefault(Type.class, "type", Type.JAVA).run(page);
}
} else {
doEdit(page);
}
}
private static File getFile(WebPageContext page) throws IOException {
String file = page.param(String.class, "file");
if (file == null) {
String servletPath = page.param(String.class, "servletPath");
if (servletPath != null) {
file = page.getServletContext().getRealPath(servletPath);
}
}
if (file == null) {
return null;
}
File fileInstance = new File(file);
if (!fileInstance.exists()) {
IoUtils.createParentDirectories(fileInstance);
}
return fileInstance;
}
private void doEdit(WebPageContext page) throws IOException, ServletException {
final Type type = page.paramOrDefault(Type.class, "type", Type.JAVA);
final File file = getFile(page);
final StringBuilder codeBuilder = new StringBuilder();
if (file != null) {
if (file.exists()) {
if (file.isDirectory()) {
// Can't edit a directory.
} else {
codeBuilder.append(IoUtils.toString(file, StandardCharsets.UTF_8));
}
} else {
String filePath = file.getPath();
if (filePath.endsWith(".java")) {
filePath = filePath.substring(0, filePath.length() - 5);
for (File sourceDirectory : CodeUtils.getSourceDirectories()) {
String sourceDirectoryPath = sourceDirectory.getPath();
if (filePath.startsWith(sourceDirectoryPath)) {
String classPath = filePath.substring(sourceDirectoryPath.length());
if (classPath.startsWith(File.separator)) {
classPath = classPath.substring(1);
}
int lastSepAt = classPath.lastIndexOf(File.separatorChar);
if (lastSepAt < 0) {
codeBuilder.append("public class ");
codeBuilder.append(classPath);
} else {
codeBuilder.append("package ");
codeBuilder.append(
classPath.substring(0, lastSepAt).replace(File.separatorChar, '.'));
codeBuilder.append(";\n\npublic class ");
codeBuilder.append(classPath.substring(lastSepAt + 1));
}
codeBuilder.append(" {\n}");
break;
}
}
}
}
} else {
Set<String> imports = findImports();
imports.add("com.psddev.dari.db.*");
imports.add("com.psddev.dari.util.*");
imports.add("java.util.*");
String includes = Settings.get(String.class, INCLUDE_IMPORTS_SETTING);
if (!ObjectUtils.isBlank(includes)) {
Collections.addAll(imports, includes.trim().split("\\s*,?\\s+"));
}
String excludes = Settings.get(String.class, EXCLUDE_IMPORTS_SETTING);
if (!ObjectUtils.isBlank(excludes)) {
for (String exclude : excludes.trim().split("\\s*,?\\s+")) {
imports.remove(exclude);
}
}
for (String i : imports) {
codeBuilder.append("import ");
codeBuilder.append(i);
codeBuilder.append(";\n");
}
codeBuilder.append('\n');
codeBuilder.append("public class Code {\n");
codeBuilder.append(" public static Object main() throws Throwable {\n");
String query = page.param(String.class, "query");
String objectClass = page.paramOrDefault(String.class, "objectClass", "Object");
if (query == null) {
codeBuilder.append(" return null;\n");
} else {
codeBuilder
.append(" Query<")
.append(objectClass)
.append("> query = ")
.append(query)
.append(";\n");
codeBuilder
.append(" PaginatedResult<")
.append(objectClass)
.append("> result = query.select(0L, 10);\n");
codeBuilder.append(" return result;\n");
}
codeBuilder.append(" }\n");
codeBuilder.append("}\n");
}
new DebugFilter.PageWriter(page) {
{
List<Object> inputs = CodeDebugServlet.Static.getInputs(getServletContext());
Object input = inputs == null || inputs.isEmpty() ? null : inputs.get(0);
String name;
if (file == null) {
name = null;
} else {
name = file.toString();
int slashAt = name.lastIndexOf('/');
if (slashAt > -1) {
name = name.substring(slashAt + 1);
}
}
startPage("Code Editor", name);
writeStart("div", "class", "row-fluid");
if (input != null) {
writeStart(
"div",
"class",
"codeInput",
"style",
"bottom: 65px; position: fixed; top: 55px; width: 18%; z-index: 1000;");
writeStart("h2").writeHtml("Input").writeEnd();
writeStart(
"div",
"style",
"bottom: 0; overflow: auto; position: absolute; top: 38px; width: 100%;");
writeObject(input);
writeEnd();
writeEnd();
writeStart("style", "type", "text/css");
write(".codeInput pre { white-space: pre; word-break: normal; word-wrap: normal; }");
writeEnd();
writeStart("script", "type", "text/javascript");
write("$('.codeInput').hover(function() {");
write("$(this).css('width', '50%');");
write("}, function() {");
write("$(this).css('width', '18%');");
write("});");
writeEnd();
}
writeStart(
"div",
"class",
input != null ? "span9" : "span12",
"style",
input != null ? "margin-left: 20%" : null);
writeStart(
"form",
"action",
page.url(null),
"class",
"code",
"method",
"post",
"style",
"margin-bottom: 70px;",
"target",
"result");
writeElement("input", "name", "action", "type", "hidden", "value", "run");
writeElement("input", "name", "type", "type", "hidden", "value", type);
writeElement("input", "name", "file", "type", "hidden", "value", file);
writeElement(
"input",
"name",
"jspPreviewUrl",
"type",
"hidden",
"value",
page.param(String.class, "jspPreviewUrl"));
writeStart("textarea", "name", "code");
writeHtml(codeBuilder);
writeEnd();
writeStart(
"div",
"class",
"form-actions",
"style",
"bottom: 0; left: 0; margin: 0; padding: 10px 20px; position:fixed; right: 0; z-index: 1000;");
writeElement("input", "class", "btn btn-primary", "type", "submit", "value", "Run");
writeStart(
"label",
"class",
"checkbox",
"style",
"display: inline-block; margin-left: 10px; white-space: nowrap;");
writeElement("input", "name", "isLiveResult", "type", "checkbox");
writeHtml("Live Result");
writeEnd();
writeStart(
"label",
"style",
"display: inline-block; margin-left: 10px; white-space: nowrap;",
"title",
"Shortcut: ?_vim=true");
boolean vimMode = page.param(boolean.class, "_vim");
writeStart(
"label",
"class",
"checkbox",
"style",
"display: inline-block; margin-left: 10px; white-space: nowrap;");
writeElement(
"input",
"name",
"_vim",
"type",
"checkbox",
"value",
"true",
vimMode ? "checked" : "_unchecked",
"true");
writeHtml("Vim Mode");
writeEnd();
writeEnd();
writeElement(
"input",
"class",
"btn btn-success pull-right",
"name",
"isSave",
"type",
"submit",
"value",
"Save");
writeElement(
"input",
"class",
"btn pull-right",
"style",
"margin-right: 10px;",
"name",
"clearCode",
"type",
"submit",
"value",
"Clear");
writeEnd();
writeEnd();
writeStart(
"div",
"class",
"resultContainer",
"style",
"background: rgba(255, 255, 255, 0.8);"
+ "border-color: rgba(0, 0, 0, 0.2);"
+ "border-style: solid;"
+ "border-width: 0 0 0 1px;"
+ "max-height: 45%;"
+ "top: 55px;"
+ "overflow: auto;"
+ "padding: 0px 20px 5px 10px;"
+ "position: fixed;"
+ "z-index: 3;"
+ "right: 0px;"
+ "width: 35%;");
writeStart("h2").writeHtml("Result").writeEnd();
writeStart("div", "class", "frame", "name", "result");
writeEnd();
writeEnd();
writeStart("script", "type", "text/javascript");
write("$('body').frame();");
write("var $codeForm = $('form.code');");
write("var lineMarkers = [ ];");
write("var columnMarkers = [ ];");
write("var codeMirror = CodeMirror.fromTextArea($('textarea')[0], {");
write("'indentUnit': 4,");
write("'lineNumbers': true,");
write("'lineWrapping': true,");
write("'matchBrackets': true,");
write("'mode': 'text/x-java'");
write("});");
// Save code to local storage when the user stops typing for 1 second
write("if (window.localStorage !== undefined) {");
write("var baseCode = $('textarea[name=code]').text();");
write("var windowStorageCodeKey = 'bsp.codeDebugServlet.code';");
write(
"if (window.localStorage.getItem(windowStorageCodeKey) !== null && window.localStorage.getItem(windowStorageCodeKey).trim()) {");
write("codeMirror.getDoc().setValue(window.localStorage.getItem(windowStorageCodeKey))");
write("}");
write("var typingTimer;");
write("codeMirror.on('keydown', function() {");
write("clearTimeout(typingTimer);");
write("});");
write("codeMirror.on('keyup', function() {");
write("clearTimeout(typingTimer);");
write("typingTimer = setTimeout(function(){");
write(
"window.localStorage.setItem(windowStorageCodeKey, codeMirror.getDoc().getValue());},");
write("1000);");
write("});");
write("}");
// Reset code to original page load value and clear window storage
write("$('.form-actions input[name=clearCode]').on('click', function(e) {");
write("e.preventDefault();");
write("if (baseCode !== undefined && baseCode.trim()) {");
write("codeMirror.getDoc().setValue(baseCode);");
write("if (window.localStorage !== undefined) {");
write("window.localStorage.removeItem(windowStorageCodeKey);");
write("}");
write("}");
write("});");
write("codeMirror.on('change', $.throttle(1000, function() {");
write("if ($codeForm.find(':checkbox[name=isLiveResult]').is(':checked')) {");
write("$codeForm.submit();");
write("}");
write("}));");
write("$('input[name=_vim]').change(function() {");
write("codeMirror.setOption('vimMode', $(this).is(':checked'));");
write("});");
write("$('input[name=_vim]').change();");
int line = page.param(int.class, "line");
if (line > 0) {
write("var line = ");
write(String.valueOf(line));
write(" - 1;");
write("codeMirror.setCursor(line);");
write("codeMirror.addLineClass(line, 'selected', 'selected');");
write("$(window).scrollTop(codeMirror.cursorCoords().top - $(window).height() / 2);");
}
write("var $resultContainer = $('.resultContainer');");
write("$resultContainer.find('.frame').bind('load', function() {");
write(
"$.each(lineMarkers, function() { codeMirror.clearMarker(this); codeMirror.setLineClass(this, null, null); });");
write("$.each(columnMarkers, function() { this.clear(); });");
write("var $frame = $(this).find('.syntaxErrors li').each(function() {");
write("var $error = $(this);");
write("var line = parseInt($error.attr('data-line')) - 1;");
write("var column = parseInt($error.attr('data-column')) - 1;");
write("if (line > -1 && column > -1) {");
write("lineMarkers.push(codeMirror.setMarker(line, '!'));");
write("codeMirror.setLineClass(line, 'errorLine', 'errorLine');");
write(
"columnMarkers.push(codeMirror.markText({ 'line': line, 'ch': column }, { 'line': line, 'ch': column + 1 }, 'errorColumn'));");
write("}");
write("});");
write("});");
writeEnd();
writeEnd();
writeEnd();
endPage();
}
@Override
public void startBody(String... titles) throws IOException {
writeStart("body");
writeStart("div", "class", "navbar navbar-fixed-top");
writeStart("div", "class", "navbar-inner");
writeStart("div", "class", "container-fluid");
writeStart("span", "class", "brand");
writeStart("a", "href", DebugFilter.Static.getServletPath(page.getRequest(), ""));
writeHtml("Dari");
writeEnd();
writeHtml("Code Editor \u2192 ");
writeEnd();
writeStart(
"form",
"action",
page.url(null),
"method",
"get",
"style",
"float: left; height: 40px; line-height: 40px; margin: 0; padding-left: 10px;");
writeStart(
"select",
"class",
"span6",
"name",
"file",
"onchange",
"$(this).closest('form').submit();");
writeStart("option", "value", "");
writeHtml("PLAYGROUND");
writeEnd();
for (File sourceDirectory : CodeUtils.getSourceDirectories()) {
writeStart("optgroup", "label", sourceDirectory);
writeStart(
"option",
"selected",
sourceDirectory.equals(file) ? "selected" : null,
"value",
sourceDirectory);
writeHtml("NEW CLASS IN ").writeHtml(sourceDirectory);
writeEnd();
writeFileOption(file, sourceDirectory, sourceDirectory);
writeEnd();
}
writeEnd();
writeEnd();
includeStylesheet("/_resource/chosen/chosen.css");
includeScript("/_resource/chosen/chosen.jquery.min.js");
writeStart("script", "type", "text/javascript");
write("(function() {");
write("$('select[name=file]').chosen({ 'search_contains': true });");
write("})();");
writeEnd();
writeEnd();
writeEnd();
writeEnd();
writeStart("div", "class", "container-fluid", "style", "padding-top: 54px;");
}
private void writeFileOption(File file, File sourceDirectory, File source)
throws IOException {
if (source.isDirectory()) {
for (File child : source.listFiles()) {
writeFileOption(file, sourceDirectory, child);
}
} else {
writeStart(
"option", "selected", source.equals(file) ? "selected" : null, "value", source);
writeHtml(source.toString().substring(sourceDirectory.toString().length()));
writeEnd();
}
}
};
}
