Examples with BuildException org.apache.tools.ant.BuildException used on opensource projects

Example 91 with BuildException

use of org.apache.tools.ant.BuildException in project ant by apache.

the class Definer method loadProperties.

/**
 * Load type definitions as properties from a URL.
 *
 * @param al the classloader to use
 * @param url the url to get the definitions from
 */
protected void loadProperties(ClassLoader al, URL url) {
    try (InputStream is = url.openStream()) {
        if (is == null) {
            log("Could not load definitions from " + url, Project.MSG_WARN);
            return;
        }
        Properties props = new Properties();
        props.load(is);
        for (String key : props.stringPropertyNames()) {
            name = key;
            classname = props.getProperty(name);
            addDefinition(al, name, classname);
        }
    } catch (IOException ex) {
        throw new BuildException(ex, getLocation());
    }
}

Example 92 with BuildException

use of org.apache.tools.ant.BuildException in project ant by apache.

the class Patch method execute.

/**
 * execute patch
 * @throws BuildException when it all goes a bit pear shaped
 */
@Override
public void execute() throws BuildException {
    if (!havePatchfile) {
        throw new BuildException("patchfile argument is required", getLocation());
    }
    Commandline toExecute = (Commandline) cmd.clone();
    toExecute.setExecutable(PATCH);
    if (originalFile != null) {
        toExecute.createArgument().setFile(originalFile);
    }
    Execute exe = new Execute(new LogStreamHandler(this, Project.MSG_INFO, Project.MSG_WARN), null);
    exe.setCommandline(toExecute.getCommandline());
    if (directory == null) {
        exe.setWorkingDirectory(getProject().getBaseDir());
    } else {
        if (!directory.isDirectory()) {
            throw new BuildException(directory + " is not a directory.", getLocation());
        }
        exe.setWorkingDirectory(directory);
    }
    log(toExecute.describeCommand(), Project.MSG_VERBOSE);
    try {
        int returncode = exe.execute();
        if (Execute.isFailure(returncode)) {
            String msg = "'" + PATCH + "' failed with exit code " + returncode;
            if (failOnError) {
                throw new BuildException(msg);
            }
            log(msg, Project.MSG_ERR);
        }
    } catch (IOException e) {
        throw new BuildException(e, getLocation());
    }
}

Example 93 with BuildException

use of org.apache.tools.ant.BuildException in project ant by apache.

the class PathConvert method execute.

/**
 * Do the execution.
 * @throws BuildException if something is invalid.
 */
@Override
public void execute() throws BuildException {
    Resources savedPath = path;
    // may be altered in validateSetup
    String savedPathSep = pathSep;
    // may be altered in validateSetup
    String savedDirSep = dirSep;
    try {
        // If we are a reference, create a Path from the reference
        if (isReference()) {
            Object o = refid.getReferencedObject(getProject());
            if (!(o instanceof ResourceCollection)) {
                throw new BuildException("refid '%s' does not refer to a resource collection.", refid.getRefId());
            }
            getPath().add((ResourceCollection) o);
        }
        // validate our setup
        validateSetup();
        // Currently, we deal with only two path formats: Unix and Windows
        // And Unix is everything that is not Windows
        // (with the exception for NetWare and OS/2 below)
        // for NetWare and OS/2, piggy-back on Windows, since here and
        // in the apply code, the same assumptions can be made as with
        // windows - that \\ is an OK separator, and do comparisons
        // case-insensitive.
        String fromDirSep = onWindows ? "\\" : "/";
        StringBuilder rslt = new StringBuilder();
        ResourceCollection resources = isPreserveDuplicates() ? path : new Union(path);
        List<String> ret = new ArrayList<>();
        FileNameMapper mapperImpl = mapper == null ? new IdentityMapper() : mapper.getImplementation();
        for (Resource r : resources) {
            String[] mapped = mapperImpl.mapFileName(String.valueOf(r));
            for (int m = 0; mapped != null && m < mapped.length; ++m) {
                ret.add(mapped[m]);
            }
        }
        boolean first = true;
        for (String string : ret) {
            // Apply the path prefix map
            String elem = mapElement(string);
            if (!first) {
                rslt.append(pathSep);
            }
            first = false;
            StringTokenizer stDirectory = new StringTokenizer(elem, fromDirSep, true);
            while (stDirectory.hasMoreTokens()) {
                String token = stDirectory.nextToken();
                rslt.append(fromDirSep.equals(token) ? dirSep : token);
            }
        }
        // unless setonempty == false
        if (setonempty || rslt.length() > 0) {
            String value = rslt.toString();
            if (property == null) {
                log(value);
            } else {
                log("Set property " + property + " = " + value, Project.MSG_VERBOSE);
                getProject().setNewProperty(property, value);
            }
        }
    } finally {
        path = savedPath;
        dirSep = savedDirSep;
        pathSep = savedPathSep;
    }
}

Example 94 with BuildException

use of org.apache.tools.ant.BuildException in project ant by apache.

the class Property method loadFile.

/**
 * load properties from a file
 * @param file file to load
 * @throws BuildException on error
 */
protected void loadFile(File file) throws BuildException {
    Properties props = new Properties();
    log("Loading " + file.getAbsolutePath(), Project.MSG_VERBOSE);
    try {
        if (file.exists()) {
            try (InputStream fis = Files.newInputStream(file.toPath())) {
                loadProperties(props, fis, file.getName().endsWith(".xml"));
            }
            addProperties(props);
        } else {
            log("Unable to find property file: " + file.getAbsolutePath(), Project.MSG_VERBOSE);
        }
    } catch (IOException ex) {
        throw new BuildException(ex, getLocation());
    }
}

Example 95 with BuildException

use of org.apache.tools.ant.BuildException in project ant by apache.

the class PropertyHelperTask method execute.

/**
 * Execute the task.
 * @throws BuildException on error.
 */
@Override
public void execute() throws BuildException {
    if (getProject() == null) {
        throw new BuildException("Project instance not set");
    }
    if (propertyHelper == null && delegates == null) {
        throw new BuildException("Either a new PropertyHelper or one or more PropertyHelper delegates are required");
    }
    PropertyHelper ph = propertyHelper;
    if (ph == null) {
        ph = PropertyHelper.getPropertyHelper(getProject());
    } else {
        ph = propertyHelper;
    }
    synchronized (ph) {
        if (delegates != null) {
            for (Object o : delegates) {
                PropertyHelper.Delegate delegate = o instanceof DelegateElement ? ((DelegateElement) o).resolve() : (PropertyHelper.Delegate) o;
                log("Adding PropertyHelper delegate " + delegate, Project.MSG_DEBUG);
                ph.add(delegate);
            }
        }
    }
    if (propertyHelper != null) {
        log("Installing PropertyHelper " + propertyHelper, Project.MSG_DEBUG);
        // TODO copy existing properties to new PH?
        getProject().addReference(MagicNames.REFID_PROPERTY_HELPER, propertyHelper);
    }
}