Java tutorial
/** * Copyright (c) 2009, Ole Eckermann, Stefan Krumnow & Signavio GmbH * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.signavio.warehouse.business.util.jpdl4; import java.io.StringWriter; import java.util.UUID; import org.apache.commons.lang.StringEscapeUtils; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import org.w3c.dom.NamedNodeMap; public class Sql extends Node { protected String var; protected Boolean unique; protected String query; protected Parameters parameters; public Sql(JSONObject sql) { this.name = JsonToJpdl.getAttribute(sql, "name"); this.var = JsonToJpdl.getAttribute(sql, "var"); this.unique = new Boolean(JsonToJpdl.getAttribute(sql, "unique")); this.query = JsonToJpdl.getAttribute(sql, "query"); try { this.parameters = new Parameters(sql.getJSONObject("properties").getJSONObject("parameters")); } catch (JSONException e) { this.parameters = null; } this.bounds = JsonToJpdl.getBounds(sql); this.outgoings = JsonToJpdl.getOutgoings(sql); } public Sql(org.w3c.dom.Node sql) { this.uuid = "oryx_" + UUID.randomUUID().toString(); NamedNodeMap attributes = sql.getAttributes(); this.name = JpdlToJson.getAttribute(attributes, "name"); this.unique = Boolean.parseBoolean(JpdlToJson.getAttribute(attributes, "unique")); this.var = JpdlToJson.getAttribute(attributes, "var"); this.bounds = JpdlToJson.getBounds(attributes.getNamedItem("g")); if (sql.hasChildNodes()) for (org.w3c.dom.Node a = sql.getFirstChild(); a != null; a = a.getNextSibling()) { if (a.getNodeName().equals("query")) this.query = a.getTextContent(); if (a.getNodeName().equals("parameters")) this.parameters = new Parameters(a); } } public String getVar() { return var; } public void setVar(String var) { this.var = var; } public Boolean getUnique() { return unique; } public void setUnique(Boolean unique) { this.unique = unique; } public String getQuery() { return query; } public void setQuery(String query) { this.query = query; } @Override public String toJpdl() throws InvalidModelException { StringWriter jpdl = new StringWriter(); jpdl.write(" <sql"); jpdl.write(JsonToJpdl.transformAttribute("name", name)); jpdl.write(JsonToJpdl.transformAttribute("var", var)); if (unique != null) jpdl.write(JsonToJpdl.transformAttribute("unique", unique.toString())); if (bounds != null) { jpdl.write(bounds.toJpdl()); } else { throw new InvalidModelException("Invalid SQL activity. Bounds is missing."); } jpdl.write(" >\n"); if (query != null) { jpdl.write(" <query>"); jpdl.write(StringEscapeUtils.escapeXml(query)); jpdl.write("</query>\n"); } else { throw new InvalidModelException("Invalid SQL activity. Query is missing."); } if (parameters != null) { jpdl.write(parameters.toJpdl()); } for (Transition t : outgoings) { jpdl.write(t.toJpdl()); } jpdl.write(" </sql>\n\n"); return jpdl.toString(); } @Override public JSONObject toJson() throws JSONException { JSONObject stencil = new JSONObject(); stencil.put("id", "sql"); JSONArray outgoing = JpdlToJson.getTransitions(outgoings); JSONObject properties = new JSONObject(); properties.put("bgcolor", "#ffffcc"); if (name != null) properties.put("name", name); if (var != null) properties.put("var", var); if (unique != null) properties.put("unique", unique.toString()); if (query != null) properties.put("query", query); if (parameters != null) properties.put("parameters", parameters.toJson()); JSONArray childShapes = new JSONArray(); return JpdlToJson.createJsonObject(uuid, stencil, outgoing, properties, childShapes, bounds.toJson()); } }