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/**
*
*/
package org.openembedded.bc.ui.wizards.install;
import java.io.BufferedReader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.core.commands.ParameterValueConversionException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.openembedded.bc.bitbake.ICommandResponseHandler;
import org.openembedded.bc.bitbake.ShellSession;
import org.openembedded.bc.ui.Activator;
class InstallJob extends Job {
private final Map mod;
private UICommandResponseHandler cmdOut;
private boolean errorOccurred = false;
private String errorMessage = "";
public InstallJob(Map model, ProgressPage progressPage) {
super("Install OpenEmbedded");
mod = model;
cmdOut = new UICommandResponseHandler(progressPage);
}
@Override
protected IStatus run(IProgressMonitor monitor) {
BufferedReader reader = new BufferedReader(new StringReader(
(String) mod.get(FlavorPage.INSTALL_SCRIPT)));
String line = null;
Map vars = loadVariables();
try {
ShellSession shell = new ShellSession(ShellSession.SHELL_TYPE_BASH,
null, null, null);
while ((line = reader.readLine()) != null && !errorOccurred) {
line = line.trim();
if (line.length() > 0 && !line.startsWith("#")) {
line = substitute(line, vars);
cmdOut.printCmd(line);
System.out.println("Running: " + line);
shell.execute(line, cmdOut);
} else if (line.startsWith("#")) {
cmdOut.printDialog(line.substring(1).trim());
}
}
if (errorOccurred) {
return new Status(IStatus.ERROR, Activator.PLUGIN_ID,
"Failed to install OpenEmbedded: " + errorMessage);
}
} catch (Exception e) {
e.printStackTrace();
return new Status(IStatus.ERROR, Activator.PLUGIN_ID,
"Failed to install OpenEmbedded", e);
}
return Status.OK_STATUS;
}
private Map loadVariables() {
return (Map) mod.get(OptionsPage.OPTION_MAP);
}
/**
* Return a string with variable substitutions in place.
*
* @param expression
* @return Input string with any substitutions from this file.
* @throws ParameterValueConversionException
*/
public static String substitute(String expression, Map mo)
throws ParameterValueConversionException {
List vars;
int literals = 0;
while ((vars = parseVars(expression)).size() > literals) {
for (Iterator i = vars.iterator(); i.hasNext();) {
String varName = (String) i.next();
String varToken = "${" + varName + "}";
if (mo.containsKey(varName)) {
expression = expression.replace(varToken, (String) mo
.get(varName));
} else if (System.getProperty(varName) != null) {
expression = expression.replace(varToken, System
.getProperty(varName));
} else if (varName.toUpperCase().equals("HOME")) {
expression = expression.replace(varToken, System
.getProperty("user.home"));
} else {
//throw new ParameterValueConversionException(
// "Unable to match parameter: " + expression);
// Leave the value, treat as a literal.
literals++;
}
}
}
return expression;
}
/**
*
* @param line
* @return A list of variables in $[variable name] format.
*/
public static List parseVars(String line) {
List l = new ArrayList();
int i = 0;
while ((i = line.indexOf("${", i)) > -1) {
int i2 = line.indexOf("}", i);
String var = line.subSequence(i + 2, i2).toString().trim();
if (var.length() > 0 && !l.contains(var)) {
l.add(var);
}
i++;
}
return l;
}
private class UICommandResponseHandler implements ICommandResponseHandler {
private final ProgressPage progressPage;
public UICommandResponseHandler(ProgressPage progressPage) {
this.progressPage = progressPage;
}
public void printDialog(String msg) {
progressPage.printDialog(msg);
}
public void response(String line, boolean isError) {
if (isError) {
progressPage.printLine(line, ProgressPage.PRINT_ERR);
//errorOccurred = true;
//errorMessage = line;
} else {
progressPage.printLine(line, ProgressPage.PRINT_OUT);
if (line.endsWith("!!OTEWIZARDSTOP")) {
errorOccurred = true;
errorMessage = line;
}
}
}
public void printCmd(String cmd) {
progressPage.printLine(cmd, ProgressPage.PRINT_CMD);
}
}
}
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