private static mxGraphModel getMxGraphModel(String gxml) {
mxCodec codec = new mxCodec();
org.w3c.dom.Document doc = mxXmlUtils.parseXml(gxml);
codec = new mxCodec(doc);
mxGraphModel model = (mxGraphModel) codec.decode(doc.getDocumentElement());
return model;
}
@Test
public void testPng() throws Exception {
String path =
ProcessDefManagerTest.class.getClassLoader().getResource("graphsub.xml").getPath();
String value = FileUtils.readFileToString(new File(path));
mxCodec codec = new mxCodec();
org.w3c.dom.Document doc = mxXmlUtils.parseXml(value);
codec = new mxCodec(doc);
mxGraphModel model = (mxGraphModel) codec.decode(doc.getDocumentElement());
mxGraph graph = new mxGraph();
graph.setModel(model);
BufferedImage image =
mxCellRenderer.createBufferedImage(graph, null, 1, Color.WHITE, true, null);
byte[] ret = null;
ByteArrayOutputStream outputStream = null;
try {
outputStream = new ByteArrayOutputStream();
ImageIO.write(image, "png", outputStream);
ret = outputStream.toByteArray();
FileUtils.writeByteArrayToFile(new File("/Users/lihao/Downloads/graph.png"), ret);
} catch (Exception e) {
e.printStackTrace();
}
}
public void test1() throws Exception {
// Creates graph with model
mxGraph graph = new mxGraph();
Object parent = graph.getDefaultParent();
Object v1, v2;
graph.getModel().beginUpdate();
try {
v1 = graph.insertVertex(parent, null, "Hello", 20, 20, 80, 30);
v2 = graph.insertVertex(parent, null, "World!", 200, 150, 80, 30);
graph.insertEdge(parent, null, "e1", v1, v2);
} finally {
graph.getModel().endUpdate();
}
mxCodec codec = new mxCodec();
Node node = codec.encode(graph.getModel());
String xml1 = mxXmlUtils.getXml(node);
System.out.println("xml=" + mxUtils.getPrettyXml(node));
Document doc = mxDomUtils.createDocument();
doc.appendChild(doc.importNode(node, true));
codec = new mxCodec(doc);
Object model = codec.decode(node);
codec = new mxCodec();
node = codec.encode(model);
String xml2 = mxXmlUtils.getXml(node);
assertEquals(xml1, xml2);
}
@SuppressWarnings("unchecked")
public void test2() throws Exception {
Map<String, Object> map = new Hashtable<String, Object>();
map.put("a", "b");
map.put("b", new mxCell("Hello, World!"));
mxCodec codec = new mxCodec();
Node node = codec.encode(map);
String xml1 = mxXmlUtils.getXml(node);
codec = new mxCodec();
Map<String, Object> map2 = (Hashtable<String, Object>) codec.decode(node);
codec = new mxCodec();
node = codec.encode(map2);
String xml2 = mxXmlUtils.getXml(node);
assertEquals(xml1, xml2);
assertEquals(map.size(), map2.size());
assertEquals(map.get("a"), map2.get("a"));
}
@Override
public AbstractMeta decode(String graphXml) throws Exception {
mxGraph graph = new mxGraph();
mxCodec codec = new mxCodec();
Document doc = mxUtils.parseXml(graphXml);
codec.decode(doc.getDocumentElement(), graph.getModel());
mxCell root = (mxCell) graph.getDefaultParent();
TransMeta transMeta = new TransMeta();
decodeCommRootAttr(root, transMeta);
transMeta.setTransstatus(Const.toInt(root.getAttribute("trans_status"), -1));
transMeta.setTransversion(root.getAttribute("trans_version"));
if (transMeta.getRepository() != null)
transMeta.setSharedObjects(transMeta.getRepository().readTransSharedObjects(transMeta));
else transMeta.setSharedObjects(transMeta.readSharedObjects());
transMeta.importFromMetaStore();
decodeDatabases(root, transMeta);
decodeNote(graph, transMeta);
int count = graph.getModel().getChildCount(root);
for (int i = 0; i < count; i++) {
mxCell cell = (mxCell) graph.getModel().getChildAt(root, i);
if (cell.isVertex()) {
Element e = (Element) cell.getValue();
if (PropsUI.TRANS_STEP_NAME.equals(e.getTagName())) {
StepDecoder stepDecoder = (StepDecoder) PluginFactory.getBean(cell.getAttribute("ctype"));
StepMeta stepMeta =
stepDecoder.decodeStep(cell, transMeta.getDatabases(), transMeta.getMetaStore());
stepMeta.setParentTransMeta(transMeta);
if (stepMeta.isMissing()) {
transMeta.addMissingTrans((MissingTrans) stepMeta.getStepMetaInterface());
}
StepMeta check = transMeta.findStep(stepMeta.getName());
if (check != null) {
if (!check.isShared()) {
// Don't overwrite shared objects
transMeta.addOrReplaceStep(stepMeta);
} else {
check.setDraw(stepMeta.isDrawn()); // Just keep the drawn flag and location
check.setLocation(stepMeta.getLocation());
}
} else {
transMeta.addStep(stepMeta); // simply add it.
}
}
}
}
// Have all StreamValueLookups, etc. reference the correct source steps...
//
for (int i = 0; i < transMeta.nrSteps(); i++) {
StepMeta stepMeta = transMeta.getStep(i);
StepMetaInterface sii = stepMeta.getStepMetaInterface();
if (sii != null) {
sii.searchInfoAndTargetSteps(transMeta.getSteps());
}
}
count = graph.getModel().getChildCount(root);
for (int i = 0; i < count; i++) {
mxCell cell = (mxCell) graph.getModel().getChildAt(root, i);
if (cell.isEdge()) {
mxCell source = (mxCell) cell.getSource();
mxCell target = (mxCell) cell.getTarget();
TransHopMeta hopinf = new TransHopMeta(null, null, true);
String[] stepNames = transMeta.getStepNames();
for (int j = 0; j < stepNames.length; j++) {
if (stepNames[j].equalsIgnoreCase(source.getAttribute("label")))
hopinf.setFromStep(transMeta.getStep(j));
if (stepNames[j].equalsIgnoreCase(target.getAttribute("label")))
hopinf.setToStep(transMeta.getStep(j));
}
transMeta.addTransHop(hopinf);
}
}
JSONObject jsonObject = JSONObject.fromObject(root.getAttribute("transLogTable"));
TransLogTable transLogTable = transMeta.getTransLogTable();
transLogTable.setConnectionName(jsonObject.optString("connection"));
transLogTable.setSchemaName(jsonObject.optString("schema"));
transLogTable.setTableName(jsonObject.optString("table"));
transLogTable.setLogSizeLimit(jsonObject.optString("size_limit_lines"));
transLogTable.setLogInterval(jsonObject.optString("interval"));
transLogTable.setTimeoutInDays(jsonObject.optString("timeout_days"));
JSONArray jsonArray = jsonObject.optJSONArray("fields");
if (jsonArray != null) {
for (int i = 0; i < jsonArray.size(); i++) {
JSONObject fieldJson = jsonArray.getJSONObject(i);
String id = fieldJson.optString("id");
LogTableField field = transLogTable.findField(id);
if (field == null) {
field = transLogTable.getFields().get(i);
}
if (field != null) {
field.setFieldName(fieldJson.optString("name"));
field.setEnabled(fieldJson.optBoolean("enabled"));
field.setSubject(StepMeta.findStep(transMeta.getSteps(), fieldJson.optString("subject")));
}
}
}
jsonObject = JSONObject.fromObject(root.getAttribute("stepLogTable"));
StepLogTable stepLogTable = transMeta.getStepLogTable();
stepLogTable.setConnectionName(jsonObject.optString("connection"));
stepLogTable.setSchemaName(jsonObject.optString("schema"));
stepLogTable.setTableName(jsonObject.optString("table"));
stepLogTable.setTimeoutInDays(jsonObject.optString("timeout_days"));
jsonArray = jsonObject.optJSONArray("fields");
if (jsonArray != null) {
for (int i = 0; i < jsonArray.size(); i++) {
JSONObject fieldJson = jsonArray.getJSONObject(i);
String id = fieldJson.optString("id");
LogTableField field = stepLogTable.findField(id);
if (field == null && i < stepLogTable.getFields().size()) {
field = stepLogTable.getFields().get(i);
}
if (field != null) {
field.setFieldName(fieldJson.optString("name"));
field.setEnabled(fieldJson.optBoolean("enabled"));
}
}
}
jsonObject = JSONObject.fromObject(root.getAttribute("performanceLogTable"));
PerformanceLogTable performanceLogTable = transMeta.getPerformanceLogTable();
performanceLogTable.setConnectionName(jsonObject.optString("connection"));
performanceLogTable.setSchemaName(jsonObject.optString("schema"));
performanceLogTable.setTableName(jsonObject.optString("table"));
performanceLogTable.setLogInterval(jsonObject.optString("interval"));
performanceLogTable.setTimeoutInDays(jsonObject.optString("timeout_days"));
jsonArray = jsonObject.optJSONArray("fields");
if (jsonArray != null) {
for (int i = 0; i < jsonArray.size(); i++) {
JSONObject fieldJson = jsonArray.getJSONObject(i);
String id = fieldJson.optString("id");
LogTableField field = performanceLogTable.findField(id);
if (field == null && i < performanceLogTable.getFields().size()) {
field = performanceLogTable.getFields().get(i);
}
if (field != null) {
field.setFieldName(fieldJson.optString("name"));
field.setEnabled(fieldJson.optBoolean("enabled"));
}
}
}
jsonObject = JSONObject.fromObject(root.getAttribute("metricsLogTable"));
MetricsLogTable metricsLogTable = transMeta.getMetricsLogTable();
metricsLogTable.setConnectionName(jsonObject.optString("connection"));
metricsLogTable.setSchemaName(jsonObject.optString("schema"));
metricsLogTable.setTableName(jsonObject.optString("table"));
metricsLogTable.setTimeoutInDays(jsonObject.optString("timeout_days"));
jsonArray = jsonObject.optJSONArray("fields");
if (jsonArray != null) {
for (int i = 0; i < jsonArray.size(); i++) {
JSONObject fieldJson = jsonArray.getJSONObject(i);
String id = fieldJson.optString("id");
LogTableField field = metricsLogTable.findField(id);
if (field == null && i < metricsLogTable.getFields().size()) {
field = metricsLogTable.getFields().get(i);
}
if (field != null) {
field.setFieldName(fieldJson.optString("name"));
field.setEnabled(fieldJson.optBoolean("enabled"));
}
}
}
jsonArray = JSONArray.fromObject(root.getAttribute("partitionschemas"));
for (int i = 0; i < jsonArray.size(); i++) {
jsonObject = jsonArray.getJSONObject(i);
PartitionSchema partitionSchema = decodePartitionSchema(jsonObject);
PartitionSchema check = transMeta.findPartitionSchema(partitionSchema.getName());
if (check != null) {
if (!check.isShared()) {
transMeta.addOrReplacePartitionSchema(partitionSchema);
}
} else {
transMeta.getPartitionSchemas().add(partitionSchema);
}
}
decodeSlaveServers(root, transMeta);
jsonArray = JSONArray.fromObject(root.getAttribute("clusterSchemas"));
for (int i = 0; i < jsonArray.size(); i++) {
jsonObject = jsonArray.getJSONObject(i);
ClusterSchema clusterSchema = decodeClusterSchema(jsonObject, transMeta.getSlaveServers());
clusterSchema.shareVariablesWith(transMeta);
ClusterSchema check = transMeta.findClusterSchema(clusterSchema.getName());
if (check != null) {
if (!check.isShared()) {
transMeta.addOrReplaceClusterSchema(clusterSchema);
}
} else {
transMeta.getClusterSchemas().add(clusterSchema);
}
}
for (int i = 0; i < transMeta.nrSteps(); i++) {
transMeta.getStep(i).setClusterSchemaAfterLoading(transMeta.getClusterSchemas());
}
transMeta.setSizeRowset(Const.toInt(root.getAttribute("size_rowset"), Const.ROWS_IN_ROWSET));
transMeta.setSleepTimeEmpty(
Const.toInt(root.getAttribute("sleep_time_empty"), Const.TIMEOUT_GET_MILLIS));
transMeta.setSleepTimeFull(
Const.toInt(root.getAttribute("sleep_time_full"), Const.TIMEOUT_PUT_MILLIS));
transMeta.setUsingUniqueConnections(
"Y".equalsIgnoreCase(root.getAttribute("unique_connections")));
transMeta.setFeedbackShown(!"N".equalsIgnoreCase(root.getAttribute("feedback_shown")));
transMeta.setFeedbackSize(Const.toInt(root.getAttribute("feedback_size"), Const.ROWS_UPDATE));
transMeta.setUsingThreadPriorityManagment(
!"N".equalsIgnoreCase(root.getAttribute("using_thread_priorities")));
transMeta.setCapturingStepPerformanceSnapShots(
"Y".equalsIgnoreCase(root.getAttribute("capture_step_performance")));
transMeta.setStepPerformanceCapturingDelay(
Const.toLong(root.getAttribute("step_performance_capturing_delay"), 1000));
transMeta.setStepPerformanceCapturingSizeLimit(
root.getAttribute("step_performance_capturing_size_limit"));
transMeta.setKey(XMLHandler.stringToBinary(root.getAttribute("key_for_session_key")));
transMeta.setPrivateKey("Y".equals(root.getAttribute("is_key_private")));
return transMeta;
}
