From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 26 Sep 2013 20:33:20 +0000 Subject: 2.0 branch for possible maintenance release git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68 --- .../tuscany/sca/diagram/layout/EntityBuilder.java | 562 +++++++++++++++++++++ 1 file changed, 562 insertions(+) create mode 100755 sca-java-2.x/branches/2.0/modules/composite-diagram/src/main/java/org/apache/tuscany/sca/diagram/layout/EntityBuilder.java (limited to 'sca-java-2.x/branches/2.0/modules/composite-diagram/src/main/java/org/apache/tuscany/sca/diagram/layout/EntityBuilder.java') diff --git a/sca-java-2.x/branches/2.0/modules/composite-diagram/src/main/java/org/apache/tuscany/sca/diagram/layout/EntityBuilder.java b/sca-java-2.x/branches/2.0/modules/composite-diagram/src/main/java/org/apache/tuscany/sca/diagram/layout/EntityBuilder.java new file mode 100755 index 0000000000..485ced717d --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/composite-diagram/src/main/java/org/apache/tuscany/sca/diagram/layout/EntityBuilder.java @@ -0,0 +1,562 @@ +/* + * 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.tuscany.sca.diagram.layout; + +import org.apache.tuscany.sca.diagram.artifacts.Constant; +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.NodeList; + +public class EntityBuilder { + + private Document dom; + + private int totalWidth = 0; + private int totalHeight = 0; + + private CompositeEntity composite = null; + + /** + * Constructor which initiates the DOM document + * @param aDom DOM document + */ + public EntityBuilder(Document aDom) { + dom = aDom; + } + + public CompositeEntity buildCompositeEntity() { + + //get the root element + Element docEle = dom.getDocumentElement(); + + String compositeName; + compositeName = docEle.getAttribute("name"); + //System.out.println("compositeName "+compositeName); + + ComponentEntity[] comps = buildComponentEntities(docEle); + + composite = new CompositeEntity(compositeName); + + setParent(comps); + + //System.out.println("ComponentEntity "+comps[0].getLevel()); + int[][] conns = buildConnectionMatrix(comps); + + composite.setComponentList(comps); + composite.setConnections(conns); + + LayoutBuilder buildLayout = new LayoutBuilder(comps, conns, Constant.MAX_LEVELS); + buildLayout.placeEntities(); + composite.setHeight(buildLayout.getTotalHeight()); + composite.setWidth(buildLayout.getTotalWidth()); + composite.setMaxInternalLane(buildLayout.getTotalLane()); + composite.setMaxInternalLevel(buildLayout.getTotalLevel()); + + //System.out.println("conns "+conns[0][0]); + + buildCompositeService(docEle); + buildCompositeReference(docEle); + buildCompositeProperty(docEle); + + addInclusions(docEle); + + composite.build(); + + return composite; + } + + // private void assignCoordinates() { + // + // for(Entity ent: elts){ + // ent.setX(ent.getParent().getX() + ent.getStartPosition()); + // ent.setY(ent.getParent().getY() + ent.getStartPosition()/2); + // } + // } + + private void setParent(ComponentEntity[] comps) { + + for (ComponentEntity comp : comps) { + comp.setParent(composite); + } + } + + private void buildCompositeService(Element docEle) { + + NodeList nl = docEle.getElementsByTagName("service"); + //System.err.println("^^^^^^^^^ "+nl.getLength()); + if (nl != null && nl.getLength() > 0) { + + for (int i = 0; i < nl.getLength(); i++) { + + Element elt = (Element)nl.item(i); + + if (elt.getParentNode().getNodeName().equals("composite")) { + String compositeSer = elt.getAttribute("name"); + composite.addAService(compositeSer); + + String target = elt.getAttribute("promote"); + + String service, serviceComp; + String[] arr1 = extractComp(target); + serviceComp = arr1[0]; + service = arr1[1]; + + if (service == null) { + composite.addToPromoteAService(compositeSer, serviceComp); + } else { + composite.addToPromoteAService(compositeSer, serviceComp + "/" + service); + } + } + + } + } + } + + private void buildCompositeReference(Element docEle) { + + NodeList nl = docEle.getElementsByTagName("reference"); + //System.out.println("^^^^^^^^^ "+nl.getLength()); + if (nl != null && nl.getLength() > 0) { + + for (int i = 0; i < nl.getLength(); i++) { + + Element elt = (Element)nl.item(i); + + if (elt.getParentNode().getNodeName().equals("composite")) { + String compositeRef = elt.getAttribute("name"); + composite.addAReference(compositeRef); + + String targetStr = elt.getAttribute("promote"); + + String[] targets = targetStr.split(" "); + + for (String target : targets) { + + String reference, referenceComp; + String[] arr1 = extractComp(target); + referenceComp = arr1[0]; + reference = arr1[1]; + + if (reference == null) { + composite.addToPromoteAReference(compositeRef, referenceComp); + } else { + composite.addToPromoteAReference(compositeRef, referenceComp + "/" + reference); + } + } + + } + } + } + } + + private void buildCompositeProperty(Element docEle) { + + NodeList nl = docEle.getElementsByTagName("property"); + //System.out.println("^^^^^^^^^ "+nl.getLength()); + if (nl != null && nl.getLength() > 0) { + + for (int i = 0; i < nl.getLength(); i++) { + + Element elt = (Element)nl.item(i); + + if (elt.getParentNode().getNodeName().equals("composite")) { + String compositeProp = elt.getAttribute("name"); + composite.addAProperty(compositeProp); + } + } + } + } + + private void addInclusions(Element docEle) { + + NodeList nl = docEle.getElementsByTagName("include"); + //System.out.println("^^^^^^^^^ "+nl.getLength()); + if (nl != null && nl.getLength() > 0) { + + for (int i = 0; i < nl.getLength(); i++) { + + Element elt = (Element)nl.item(i); + + if (elt.getParentNode().getNodeName().equals("composite")) { + String compToBeIncluded = elt.getAttribute("name"); + composite.addToIncludedComposites(compToBeIncluded); + } + } + } + } + + private int[][] buildConnectionMatrix(ComponentEntity[] comps) { + + int[][] connections = new int[comps.length][comps.length]; + connections = initConnections(connections); + + for (Entity ent : comps) { + for (String name : ent.getAdjacentEntities()) { + ComponentEntity e2 = findEntity(comps, name); + if (ent != null && e2 != null) { + //System.out.println("^^^^^^^^^ "+e2.getName()); + connections[ent.getId()][e2.getId()] = 1; + } + } + + } + + return connections; + } + + private String[] extractComp(String str) { + + String[] arr = new String[2]; + + if (str.contains("/")) { + arr = str.split("/"); + } else { + arr[0] = str; + arr[1] = null; + } + return arr; + } + + private int[][] initConnections(int[][] connections) { + + for (int i = 0; i < connections.length; i++) { + for (int j = 0; j < connections.length; j++) { + connections[i][j] = 0; + } + } + return connections; + } + + public ComponentEntity[] buildComponentEntities(Element docEle) { + + ComponentEntity[] elts = null; + + // //get the root element + // Element docEle = dom.getDocumentElement(); + // compositeName = docEle.getAttribute("name"); + // System.out.println("compositeName "+compositeName); + + //get a nodelist of elements + NodeList nl = docEle.getElementsByTagName("component"); + if (nl != null && nl.getLength() > 0) { + elts = new ComponentEntity[nl.getLength()]; + + for (int i = 0; i < nl.getLength(); i++) { + elts[i] = new ComponentEntity(); + Element nVal = (Element)nl.item(i); + //System.out.println(nVal.hasAttribute("name")); + elts[i].setId(i); + elts[i].setName(nVal.getAttribute("name")); + + setImplementation(nVal, elts[i]); + setServices(nVal, elts[i]); + setReferences(nVal, elts[i]); + setProperties(nVal, elts[i]); + + elts[i].build(); + } + } + + buildWires(docEle, elts); + // //sec. 5.4 in the spec + // nl = docEle.getElementsByTagName("wire"); + // System.out.println("^^^^^^^^^ "+nl.getLength()); + // if(nl != null && nl.getLength() > 0 ) { + // for(int i = 0 ; i < nl.getLength();i++) { + // Element elt = (Element)nl.item(i); + // String source = elt.getAttribute("source"); + // String target = elt.getAttribute("target"); + // String service, serviceComp, reference, referenceComp; + // + // System.out.println("^^^^^^^^^ "+source+" ::: "+target); + // if(target.contains("/")){ + // String[] arr = target.split("/"); + // serviceComp = arr[0]; + // service = arr[1]; + // } + // else{ + // serviceComp = target; + // service = null; + // } + // + // if(source.contains("/")){ + // String[] arr = source.split("/"); + // referenceComp = arr[0]; + // reference = arr[1]; + // } + // else{ + // referenceComp = source; + // reference = null; + // } + // + // ComponentEntity e = findEntity(referenceComp); + // System.out.println("^^^^^^^^^ "+e.getName()); + // if(e != null){ + // createConnection(e, reference, serviceComp, service); + // } + // } + // } + // + // positionEntities(elts); + // + // calculateProperties(elts); + // print(elts); + + return elts; + + } + + private void buildWires(Element docEle, ComponentEntity[] elts) { + + //sec. 5.4 in the spec + NodeList nl = docEle.getElementsByTagName("wire"); + //System.out.println("^^^^^^^^^ "+nl.getLength()); + if (nl != null && nl.getLength() > 0) { + + for (int i = 0; i < nl.getLength(); i++) { + + Element elt = (Element)nl.item(i); + + String source = elt.getAttribute("source"); + String target = elt.getAttribute("target"); + + String service, serviceComp, reference, referenceComp; + + String[] arr1 = extractComp(target); + serviceComp = arr1[0]; + service = arr1[1]; + + String[] arr2 = extractComp(source); + referenceComp = arr2[0]; + reference = arr2[1]; + + // //System.out.println("^^^^^^^^^ "+source+" ::: "+target); + // if(target.contains("/")){ + // String[] arr = target.split("/"); + // serviceComp = arr[0]; + // service = arr[1]; + // } + // else{ + // serviceComp = target; + // service = null; + // } + // + // if(source.contains("/")){ + // String[] arr = source.split("/"); + // referenceComp = arr[0]; + // reference = arr[1]; + // } + // else{ + // referenceComp = source; + // reference = null; + // } + // + ComponentEntity e1 = findEntity(elts, referenceComp); + //ComponentEntity e2 = findEntity(comps, serviceComp); + + //System.out.println("^^^^^^^^^ "+e1.getName()); + if (e1 != null) { + //System.out.println("^^^^^^^^^ "+e1.getId()); + //connections[e1.getId()][e2.getId()] = 1; + createConnection(e1, reference, serviceComp, service); + } + } + } + + } + + private ComponentEntity findEntity(ComponentEntity[] elts, String componentName) { + + for (ComponentEntity e : elts) { + if (e.getName().equals(componentName)) { + return e; + } + } + return null; + } + + private void setReferences(Element nVal, ComponentEntity ent) { + + NodeList nl = nVal.getElementsByTagName("reference"); + if (nl != null && nl.getLength() > 0) { + for (int i = 0; i < nl.getLength(); i++) { + Element elt = (Element)nl.item(i); + String target = elt.getAttribute("target"); + String ref = elt.getAttribute("name"); + if (target.contains("/")) { + String[] arr = target.split("/"); + createConnection(ent, ref, arr[0], arr[1]); + // ent.addToRefToSerMap(ref, arr[1]); + // ent.addAnAdjacentEntity(arr[0]); + // addToConnectedEntities(ent.getComponentName(), arr[0]); + // addToConnectedEntities(arr[0], ent.getComponentName()); + } else if (!target.equals("")) { + createConnection(ent, ref, target, null); + // ent.addToRefToSerMap(ref, target); + // ent.addAnAdjacentEntity(target); + // addToConnectedEntities(ent.getComponentName(), target); + // addToConnectedEntities(target, ent.getComponentName()); + } + + ent.addAReference(ref); + + } + } + } + + private void createConnection(ComponentEntity ent, String reference, String serviceComp, String service) { + + String referenceComp = ent.getName(); + + if (reference != null && service != null) { + + ent.addToRefToSerMap(reference, serviceComp + "/" + service); + ent.addAnAdjacentEntity(serviceComp); + } else if (reference == null && service != null) { + ent.addToRefToSerMap(referenceComp, serviceComp + "/" + service); + ent.addAnAdjacentEntity(serviceComp); + } else if (reference != null && service == null) { + ent.addToRefToSerMap(reference, serviceComp); + ent.addAnAdjacentEntity(serviceComp); + } else { + ent.addToRefToSerMap(referenceComp, serviceComp); + ent.addAnAdjacentEntity(serviceComp); + } + } + + @SuppressWarnings("unused") + private void print(ComponentEntity[] elts) { + + for (ComponentEntity ent : elts) { + System.out.println(ent.getName() + " : " + + ent.getLevel() + + " : " + + ent.getLane() + + " : " + + ent.getX() + + " : " + + ent.getY()); + } + } + + private void setServices(Element nVal, ComponentEntity ent) { + + NodeList nl = nVal.getElementsByTagName("service"); + if (nl != null && nl.getLength() > 0) { + for (int i = 0; i < nl.getLength(); i++) { + Element elt = (Element)nl.item(i); + ent.addAService(elt.getAttribute("name")); + } + } else { + + NodeList nl1 = nVal.getElementsByTagName("implementation.java"); + if (nl1 != null && nl1.getLength() > 0) { + for (int i = 0; i < nl1.getLength(); i++) { + Element elt = (Element)nl1.item(i); + //System.out.println(elt.getAttribute("class")); + String serName = extractServiceName(elt.getAttribute("class")); + ent.addAService(serName); + } + } + + } + + } + + private void setImplementation(Element nVal, ComponentEntity ent) { + NodeList nodes = nVal.getChildNodes(); + + for (int i = 0; i < nodes.getLength(); i++) { + if (nodes.item(i) instanceof Element) { + Element elt = (Element)nodes.item(i); + String name = elt.getNodeName(); + if (name != null && name.contains(":")) { + name = name.substring(name.indexOf(':') + 1).trim(); + } + if (name != null && name.startsWith("implementation.")) { + String type = name.substring("implementation.".length()); + if ("implementation.java".equals(name)) { + String cls = elt.getAttribute("class"); + ent.setImplementation(type + ":" + extractClassName(cls)); + } else { + ent.setImplementation(type); + } + break; + } + } + } + } + + private String extractClassName(String classAttr) { + if (classAttr == null) { + return ""; + } else { + int index = classAttr.lastIndexOf('.'); + return classAttr.substring(index + 1); + } + } + + /** + * + * This will extract the service name part from the class attribute of + * implementation.java element. + * eg: if class = "NirmalServiceImpl", returning service name would be "NirmalService" + */ + private String extractServiceName(String classAttr) { + if (classAttr != null) { + String[] x = classAttr.split("\\."); + String name = x[x.length - 1]; + if (name.endsWith("Impl")) { + return name.substring(0, name.length() - 4); + } else { + return name; + } + } + return ""; + } + + private void setProperties(Element nVal, ComponentEntity ent) { + + NodeList nl = nVal.getElementsByTagName("property"); + if (nl != null && nl.getLength() > 0) { + for (int i = 0; i < nl.getLength(); i++) { + Element elt = (Element)nl.item(i); + ent.addAProperty(elt.getAttribute("name")); + } + } + } + + // public void setCompositeName(String compositeName) { + // this.compositeName = compositeName; + // } + // + // public String getCompositeName() { + // return compositeName; + // } + + public int getTotalWidth() { + return totalWidth; + } + + public int getTotalHeight() { + return totalHeight; + } + +} -- cgit v1.2.3