/** * Copyright (C) 2010-2017 Structr GmbH * * This file is part of Structr <http://structr.org>. * * Structr is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * Structr is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with Structr. If not, see <http://www.gnu.org/licenses/>. */ package org.structr.web.function; import org.structr.common.error.FrameworkException; import org.structr.schema.action.ActionContext; import org.structr.schema.action.Function; import org.structr.web.entity.dom.DOMNode; /** * */ public class EscapeHtmlFunction extends Function<Object, Object> { public static final String ERROR_MESSAGE_ESCAPE_HTML = "Usage: ${escape_html(text)}. Example: ${escape_html(\"test & test\")}"; public static final String ERROR_MESSAGE_ESCAPE_HTML_JS = "Usage: ${{Structr.escape_html(text)}}. Example: ${{Structr.escape_html(\"test & test\")}}"; @Override public String getName() { return "escape_html()"; } @Override public Object apply(final ActionContext ctx, final Object caller, final Object[] sources) throws FrameworkException { try { if (arrayHasLengthAndAllElementsNotNull(sources, 1)) { return null; } return DOMNode.escapeForHtmlAttributes(sources[0].toString()); } catch (final IllegalArgumentException e) { logParameterError(caller, sources, ctx.isJavaScriptContext()); return usage(ctx.isJavaScriptContext()); } } @Override public String usage(boolean inJavaScriptContext) { return (inJavaScriptContext ? ERROR_MESSAGE_ESCAPE_HTML_JS : ERROR_MESSAGE_ESCAPE_HTML); } @Override public String shortDescription() { return ""; } }