Java Code Examples for com.android.io.IAbstractFile#exists()

/**
 * Merges all properties from the given file into the current properties.
 * <p/>
 * This emulates the Ant behavior: existing properties are <em>not</em> overridden.
 * Only new undefined properties become defined.
 * <p/>
 * Typical usage:
 * <ul>
 * <li>Create a ProjectProperties with {@code PropertyType#ANT}
 * <li>Merge in values using {@code PropertyType#PROJECT}
 * <li>The result is that this contains all the properties from default plus those
 *     overridden by the build.properties file.
 * </ul>
 *
 * @param type One the possible {@link ProjectProperties.PropertyType}s.
 * @return this object, for chaining.
 */
public synchronized ProjectPropertiesWorkingCopy merge(PropertyType type) {
    if (mProjectFolder.exists() && mType != type) {
        IAbstractFile propFile = mProjectFolder.getFile(type.getFilename());
        if (propFile.exists()) {
            Map<String, String> map = parsePropertyFile(propFile, null /* log */);
            if (map != null) {
                for (Entry<String, String> entry : map.entrySet()) {
                    String key = entry.getKey();
                    String value = entry.getValue();
                    if (!mProperties.containsKey(key) && value != null) {
                        mProperties.put(key, value);
                    }
                }
            }
        }
    }
    return this;
}
 

/**
 * Merges all properties from the given file into the current properties.
 * <p/>
 * This emulates the Ant behavior: existing properties are <em>not</em> overridden.
 * Only new undefined properties become defined.
 * <p/>
 * Typical usage:
 * <ul>
 * <li>Create a ProjectProperties with {@code PropertyType#ANT}
 * <li>Merge in values using {@code PropertyType#PROJECT}
 * <li>The result is that this contains all the properties from default plus those
 *     overridden by the build.properties file.
 * </ul>
 *
 * @param type One the possible {@link ProjectProperties.PropertyType}s.
 * @return this object, for chaining.
 */
public synchronized ProjectPropertiesWorkingCopy merge(PropertyType type) {
    if (mProjectFolder.exists() && mType != type) {
        IAbstractFile propFile = mProjectFolder.getFile(type.getFilename());
        if (propFile.exists()) {
            Map<String, String> map = parsePropertyFile(propFile, null /* log */);
            if (map != null) {
                for (Entry<String, String> entry : map.entrySet()) {
                    String key = entry.getKey();
                    String value = entry.getValue();
                    if (!mProperties.containsKey(key) && value != null) {
                        mProperties.put(key, value);
                    }
                }
            }
        }
    }
    return this;
}
 

/**
 * Loads a project properties file and return a {@link ProjectProperties} object
 * containing the properties.
 *
 * @param projectFolder the project folder.
 * @param type One the possible {@link PropertyType}s.
 */
public static ProjectProperties load(IAbstractFolder projectFolder, PropertyType type) {
    if (projectFolder.exists()) {
        IAbstractFile propFile = projectFolder.getFile(type.mFilename);
        if (propFile.exists()) {
            Map<String, String> map = parsePropertyFile(propFile, null /* log */);
            if (map != null) {
                return new ProjectProperties(projectFolder, map, type);
            }
        }
    }
    return null;
}
 

/**
 * Deletes a project properties file.
 *
 * @param projectFolder the project folder.
 * @param type One the possible {@link PropertyType}s.
 * @return true if success.
 */
public static boolean delete(IAbstractFolder projectFolder, PropertyType type) {
    if (projectFolder.exists()) {
        IAbstractFile propFile = projectFolder.getFile(type.mFilename);
        if (propFile.exists()) {
            return propFile.delete();
        }
    }

    return false;
}
 

/**
 * Reloads the properties from the underlying file.
 */
public synchronized void reload() {
    if (mProjectFolder.exists()) {
        IAbstractFile propFile = mProjectFolder.getFile(mType.mFilename);
        if (propFile.exists()) {
            Map<String, String> map = parsePropertyFile(propFile, null /* log */);
            if (map != null) {
                mProperties.clear();
                mProperties.putAll(map);
            }
        }
    }
}
 

/**
 * Returns an {@link IAbstractFile} object representing the manifest for the given project.
 *
 * @param projectFolder The project containing the manifest file.
 * @return An IAbstractFile object pointing to the manifest or null if the manifest
 *         is missing.
 */
public static IAbstractFile getManifest(IAbstractFolder projectFolder) {
    IAbstractFile file = projectFolder.getFile(SdkConstants.FN_ANDROID_MANIFEST_XML);
    if (file != null && file.exists()) {
        return file;
    }

    return null;
}
 

/**
 * Loads a project properties file and return a {@link ProjectProperties} object
 * containing the properties.
 *
 * @param projectFolder the project folder.
 * @param type One the possible {@link PropertyType}s.
 */
public static ProjectProperties load(IAbstractFolder projectFolder, PropertyType type) {
    if (projectFolder.exists()) {
        IAbstractFile propFile = projectFolder.getFile(type.mFilename);
        if (propFile.exists()) {
            Map<String, String> map = parsePropertyFile(propFile, null /* log */);
            if (map != null) {
                return new ProjectProperties(projectFolder, map, type);
            }
        }
    }
    return null;
}
 

/**
 * Deletes a project properties file.
 *
 * @param projectFolder the project folder.
 * @param type One the possible {@link PropertyType}s.
 * @return true if success.
 */
public static boolean delete(IAbstractFolder projectFolder, PropertyType type) {
    if (projectFolder.exists()) {
        IAbstractFile propFile = projectFolder.getFile(type.mFilename);
        if (propFile.exists()) {
            return propFile.delete();
        }
    }

    return false;
}
 

/**
 * Reloads the properties from the underlying file.
 */
public synchronized void reload() {
    if (mProjectFolder.exists()) {
        IAbstractFile propFile = mProjectFolder.getFile(mType.mFilename);
        if (propFile.exists()) {
            Map<String, String> map = parsePropertyFile(propFile, null /* log */);
            if (map != null) {
                mProperties.clear();
                mProperties.putAll(map);
            }
        }
    }
}
 

/**
 * Returns an {@link IAbstractFile} object representing the manifest for the given project.
 *
 * @param projectFolder The project containing the manifest file.
 * @return An IAbstractFile object pointing to the manifest or null if the manifest
 *         is missing.
 */
public static IAbstractFile getManifest(IAbstractFolder projectFolder) {
    IAbstractFile file = projectFolder.getFile(SdkConstants.FN_ANDROID_MANIFEST_XML);
    if (file != null && file.exists()) {
        return file;
    }

    return null;
}