Java ProjectHelper.addLocationToBuildException方法代码示例

import org.apache.tools.ant.ProjectHelper; //导入方法依赖的package包/类
/**
 * Load an antlib from a URL.
 *
 * @param classLoader the classloader to use.
 * @param url the url to load the definitions from.
 */
private void loadAntlib(ClassLoader classLoader, URL url) {
    try {
        Antlib antlib = Antlib.createAntlib(getProject(), url, getURI());
        antlib.setClassLoader(classLoader);
        antlib.setURI(getURI());
        antlib.execute();
    } catch (BuildException ex) {
        throw ProjectHelper.addLocationToBuildException(
            ex, getLocation());
    }
}
 

import org.apache.tools.ant.ProjectHelper; //导入方法依赖的package包/类
/**
 * Execute the templates instance.
 * Copies the unknown element, substitutes the attributes,
 * and calls perform on the unknown element.
 *
 */
@Override
public void execute() {
    presentElements = new HashMap<>();
    getNsElements();
    processTasks();
    localAttributes = new Hashtable<>();
    Set<String> copyKeys = new HashSet<>(map.keySet());
    for (Attribute attribute : macroDef.getAttributes()) {
        String value = map.get(attribute.getName());
        if (value == null && "description".equals(attribute.getName())) {
            value = getDescription();
        }
        if (value == null) {
            value = attribute.getDefault();
            value = macroSubs(value, localAttributes);
        }
        if (value == null) {
            throw new BuildException("required attribute %s not set",
                attribute.getName());
        }
        localAttributes.put(attribute.getName(), value);
        copyKeys.remove(attribute.getName());
    }
    copyKeys.remove("id");

    if (macroDef.getText() != null) {
        if (text == null) {
            String defaultText =  macroDef.getText().getDefault();
            if (!macroDef.getText().getOptional() && defaultText == null) {
                throw new BuildException("required text missing");
            }
            text = defaultText == null ? "" : defaultText;
        }
        if (macroDef.getText().getTrim()) {
            text = text.trim();
        }
        localAttributes.put(macroDef.getText().getName(), text);
    } else if (!(text == null || text.trim().isEmpty())) {
        throw new BuildException(
            "The \"%s\" macro does not support nested text data.",
            getTaskName());
    }
    if (!copyKeys.isEmpty()) {
        throw new BuildException("Unknown attribute"
            + (copyKeys.size() > 1 ? "s " : " ") + copyKeys);
    }

    // need to set the project on unknown element
    UnknownElement c = copy(macroDef.getNestedTask(), false);
    c.init();
    LocalProperties localProperties = LocalProperties.get(getProject());
    localProperties.enterScope();
    try {
        c.perform();
    } catch (BuildException ex) {
        if (macroDef.getBackTrace()) {
            throw ProjectHelper.addLocationToBuildException(
                ex, getLocation());
        } else {
            ex.setLocation(getLocation());
            throw ex;
        }
    } finally {
        presentElements = null;
        localAttributes = null;
        localProperties.exitScope();
    }
}
 

import org.apache.tools.ant.ProjectHelper; //导入方法依赖的package包/类
private void importResource(ProjectHelper helper,
                            Resource importedResource) {
    getProject().log("Importing file " + importedResource + " from "
                     + getLocation().getFileName(), Project.MSG_VERBOSE);

    if (!importedResource.isExists()) {
        String message =
            "Cannot find " + importedResource + " imported from "
            + getLocation().getFileName();
        if (optional) {
            getProject().log(message, Project.MSG_VERBOSE);
            return;
        }
        throw new BuildException(message);
    }

    if (!isInIncludeMode() && hasAlreadyBeenImported(importedResource,
        helper.getImportStack())) {
        getProject().log(
            "Skipped already imported file:\n   "
            + importedResource + "\n", Project.MSG_VERBOSE);
        return;
    }

    // nested invocations are possible like an imported file
    // importing another one
    String oldPrefix = ProjectHelper.getCurrentTargetPrefix();
    boolean oldIncludeMode = ProjectHelper.isInIncludeMode();
    String oldSep = ProjectHelper.getCurrentPrefixSeparator();
    try {
        String prefix;
        if (isInIncludeMode() && oldPrefix != null
            && targetPrefix != null) {
            prefix = oldPrefix + oldSep + targetPrefix;
        } else if (isInIncludeMode()) {
            prefix = targetPrefix;
        } else if (ProjectHelper.USE_PROJECT_NAME_AS_TARGET_PREFIX.equals(targetPrefix)) {
            prefix = oldPrefix;
        } else {
            prefix = targetPrefix;
        }
        setProjectHelperProps(prefix, prefixSeparator,
                              isInIncludeMode());

        ProjectHelper subHelper = ProjectHelperRepository.getInstance().getProjectHelperForBuildFile(
                importedResource);

        // push current stacks into the sub helper
        subHelper.getImportStack().addAll(helper.getImportStack());
        subHelper.getExtensionStack().addAll(helper.getExtensionStack());
        getProject().addReference(ProjectHelper.PROJECTHELPER_REFERENCE, subHelper);

        subHelper.parse(getProject(), importedResource);

        // push back the stack from the sub helper to the main one
        getProject().addReference(ProjectHelper.PROJECTHELPER_REFERENCE, helper);
        helper.getImportStack().clear();
        helper.getImportStack().addAll(subHelper.getImportStack());
        helper.getExtensionStack().clear();
        helper.getExtensionStack().addAll(subHelper.getExtensionStack());
    } catch (BuildException ex) {
        throw ProjectHelper.addLocationToBuildException(
            ex, getLocation());
    } finally {
        setProjectHelperProps(oldPrefix, oldSep, oldIncludeMode);
    }
}