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annotate src/org/ssdt_ohio/tools/ant/ReplaceTargetTask.java @ 7:418ba4cfc553 tip

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USASR-644: preserve dependencies in replaced target
author smith@nwoca.org
date Wed, 12 Oct 2011 18:12:17 -0400
parents c989b9aa8820
children
rev   line source
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1918a6aed50a Initial ant tasks for SSDT develkit
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1 package org.ssdt_ohio.tools.ant;
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3 import java.util.Enumeration;
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4 import org.apache.tools.ant.BuildException;
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5 import org.apache.tools.ant.Project;
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6 import org.apache.tools.ant.Target;
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7 import org.apache.tools.ant.Task;
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9 /** @author smith */
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10 public class ReplaceTargetTask extends Task {
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12 private String target;
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13 private String with;
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15 @Override
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16 public void execute() throws BuildException {
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17 if (target == null) {
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18 throw new BuildException("'target' attribute is required");
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19 }
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20 if (with == null) {
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21 throw new BuildException("'with' attribute is required");
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22 }
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24 Target t = (Target) getProject().getTargets().get(target);
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25 if (t == null) {
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26 log(target + " to be replaced does not exist", Project.MSG_VERBOSE);
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27 } else {
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29 Target withTarget = (Target) getProject().getTargets().get(with);
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30 if (withTarget == null) {
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31 log(with + " replacement target does not exist", Project.MSG_ERR);
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32 } else {
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33 Target newTarget = new Target(withTarget);
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34 for (Enumeration en = t.getDependencies(); en.hasMoreElements();) {
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35 String dep = (String) en.nextElement();
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36 if (!newTarget.dependsOn(dep)) {
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37 newTarget.addDependency(dep);
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38 }
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39 }
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40 newTarget.setName(target);
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41
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42 getProject().addOrReplaceTarget(newTarget);
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43
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44 log(target + " target replaced by " + with, Project.MSG_INFO);
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45
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46 }
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47 }
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48 }
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49
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50 public void setTarget(String target) {
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51 this.target = target;
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52 }
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54 public void setWith(String with) {
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55 this.with = with;
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56 }
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57 }