org.apache.http.impl.conn.ProxySelectorRoutePlanner#com.android.annotations.NonNull源码实例Demo

@Override
@NonNull
public Properties loadProperties(@NonNull File file) {
    Properties props = new Properties();
    Closer closer = Closer.create();
    try {
        FileInputStream fis = closer.register(new FileInputStream(file));
        props.load(fis);
    } catch (IOException ignore) {
    } finally {
        try {
            closer.close();
        } catch (IOException e) {
        }
    }
    return props;
}
 

/**
 * Utility method to parse the {@link PkgProps#PKG_REVISION} property as a no-preview
 * revision (major.minor.micro integers but no preview part.)
 *
 * @param props The properties to parse.
 * @return A {@link NoPreviewRevision} or
 *         null if there is no such property or it couldn't be parsed.
 * @param propKey The name of the property. Must not be null.
 */
@Nullable
public static NoPreviewRevision getPropertyNoPreview(
        @Nullable Properties props,
        @NonNull String propKey) {
    String revStr = getProperty(props, propKey, null);

    NoPreviewRevision rev = null;
    if (revStr != null) {
        try {
            rev = NoPreviewRevision.parseRevision(revStr);
        } catch (NumberFormatException ignore) {}
    }

    return rev;
}
 

@NonNull
private static FileCache.Inputs getBuildCacheInputs(@NonNull Path input, int minSdkVersion)
        throws IOException {
    FileCache.Inputs.Builder buildCacheInputs =
            new FileCache.Inputs.Builder(FileCache.Command.DESUGAR_LIBRARY);

    buildCacheInputs
            .putFile(
                    FileCacheInputParams.FILE.name(),
                    input.toFile(),
                    FileCache.FileProperties.PATH_HASH)
            .putString(
                    FileCacheInputParams.PLUGIN_VERSION.name(),
                    Version.ANDROID_GRADLE_PLUGIN_VERSION)
            .putLong(FileCacheInputParams.MIN_SDK_VERSION.name(), minSdkVersion);

    return buildCacheInputs.build();
}
 

/**
 * Creates a new doc package descriptor.
 *
 * @param revision The revision of the doc package.
 * @return A {@link PkgDesc} describing this doc package.
 */
@NonNull
public static Builder newDoc(@NonNull AndroidVersion version,
                             @NonNull MajorRevision revision) {
    Builder p = new Builder(PkgType.PKG_DOC);
    p.mAndroidVersion = version;
    p.mMajorRevision = revision;
    p.mCustomIsUpdateFor = new IIsUpdateFor() {
        @Override
        public boolean isUpdateFor(PkgDesc thisPkgDesc, IPkgDesc existingDesc) {
            if (existingDesc == null ||
                    !thisPkgDesc.getType().equals(existingDesc.getType())) {
                return false;
            }

            // This package is unique in the SDK. It's an update if the API is newer
            // or the revision is newer for the same API.
            int diff = thisPkgDesc.getAndroidVersion().compareTo(
                      existingDesc.getAndroidVersion());
            return diff > 0 ||
                   (diff == 0 && thisPkgDesc.getMajorRevision().compareTo(
                                existingDesc.getMajorRevision()) > 0);
        }
    };
    return p;
}
 

/**
 * Utility method to parse the {@link PkgProps#PKG_REVISION} property as a major
 * revision (major integer, no minor/micro/preview parts.)
 *
 * @param props The properties to parse.
 * @return A {@link MajorRevision} or null if there is no such property or it couldn't be parsed.
 * @param propKey The name of the property. Must not be null.
 */
@Nullable
public static MajorRevision getPropertyMajor(
        @Nullable Properties props,
        @NonNull String propKey) {
    String revStr = getProperty(props, propKey, null);

    MajorRevision rev = null;
    if (revStr != null) {
        try {
            rev = MajorRevision.parseRevision(revStr);
        } catch (NumberFormatException ignore) {}
    }

    return rev;
}
 

private NodeTypes(
        @NonNull MergeType mergeType,
        @NonNull NodeKeyResolver nodeKeyResolver,
        boolean mutipleDeclarationAllowed,
        @Nullable AttributeModel.Builder... attributeModelBuilders) {
    this.mMergeType = Preconditions.checkNotNull(mergeType);
    this.mNodeKeyResolver = Preconditions.checkNotNull(nodeKeyResolver);
    ImmutableList.Builder<AttributeModel> attributeModels =
            new ImmutableList.Builder<AttributeModel>();
    if (attributeModelBuilders != null) {
        for (AttributeModel.Builder attributeModelBuilder : attributeModelBuilders) {
            attributeModels.add(attributeModelBuilder.build());
        }
    }
    this.mAttributeModels = attributeModels.build();
    this.mMultipleDeclarationAllowed = mutipleDeclarationAllowed;
}
 

/**
 * Creates an {@link AndroidVersion} from {@link Properties}. The properties must contain
 * android version information, or an exception will be thrown.
 * @throws AndroidVersionException if no Android version information have been found
 *
 * @see #saveProperties(Properties)
 */
public AndroidVersion(@NonNull Properties properties) throws AndroidVersionException {
    Exception error = null;

    String apiLevel = properties.getProperty(PkgProps.VERSION_API_LEVEL, null/*defaultValue*/);
    if (apiLevel != null) {
        try {
            mApiLevel = Integer.parseInt(apiLevel);
            mCodename = sanitizeCodename(properties.getProperty(PkgProps.VERSION_CODENAME,
                                                                null/*defaultValue*/));
            return;
        } catch (NumberFormatException e) {
            error = e;
        }
    }

    // reaching here means the Properties object did not contain the apiLevel which is required.
    throw new AndroidVersionException(PkgProps.VERSION_API_LEVEL + " not found!", error);
}
 

/**
 * Returns a map of (resource name, resource value) for the given {@link ResourceType}.
 * <p/>The values returned are taken from the resource files best matching a given
 * {@link FolderConfiguration}.
 * @param type the type of the resources.
 * @param referenceConfig the configuration to best match.
 */
@NonNull
private Map<String, ResourceValue> getConfiguredResource(@NonNull ResourceType type,
        @NonNull FolderConfiguration referenceConfig) {

    // get the resource item for the given type
    Map<String, ResourceItem> items = mResourceMap.get(type);
    if (items == null) {
        return new HashMap<String, ResourceValue>();
    }

    // create the map
    HashMap<String, ResourceValue> map = new HashMap<String, ResourceValue>(items.size());

    for (ResourceItem item : items.values()) {
        ResourceValue value = item.getResourceValue(type, referenceConfig,
                isFrameworkRepository());
        if (value != null) {
            map.put(item.getName(), value);
        }
    }

    return map;
}
 

/**
 * Compares two {@link Element}s recursively.
 * They must be identical with the same structure.
 * Order should not matter.
 * Whitespace and comments are ignored.
 *
 * @param expected The first element to compare.
 * @param actual The second element to compare with.
 * @param nextSiblings If true, will also compare the following siblings.
 *   If false, it will just compare the given node.
 * @param diff An optional {@link StringBuilder} where to accumulate a diff output.
 * @param keyAttr An optional key attribute to always add to elements when dumping a diff.
 * @return True if {@code e1} and {@code e2} are equal.
 */
private boolean compareElements(
        @NonNull Node expected,
        @NonNull Node actual,
        boolean nextSiblings,
        @Nullable StringBuilder diff,
        @Nullable String keyAttr) {
    Map<String, String> nsPrefixE = new HashMap<String, String>();
    Map<String, String> nsPrefixA = new HashMap<String, String>();
    String sE = MergerXmlUtils.printElement(expected, nsPrefixE, "");           //$NON-NLS-1$
    String sA = MergerXmlUtils.printElement(actual,   nsPrefixA, "");           //$NON-NLS-1$
    if (sE.equals(sA)) {
        return true;
    } else {
        if (diff != null) {
            MergerXmlUtils.printXmlDiff(diff, sE, sA, nsPrefixE, nsPrefixA, NS_URI + ':' + keyAttr);
        }
        return false;
    }
}
 

@Nullable
private InputStream readCachedFile(@NonNull File cached) throws IOException {
    InputStream is = null;

    int inc = 65536;
    int curr = 0;
    long len = cached.length();
    assert len < Integer.MAX_VALUE;
    if (len >= MAX_SMALL_FILE_SIZE) {
        // This is supposed to cache small files, not 2+ GB files.
        return null;
    }
    byte[] result = new byte[(int) (len > 0 ? len : inc)];

    try {
        is = mFileOp.newFileInputStream(cached);

        int n;
        while ((n = is.read(result, curr, result.length - curr)) != -1) {
            curr += n;
            if (curr == result.length) {
                byte[] temp = new byte[curr + inc];
                System.arraycopy(result, 0, temp, 0, curr);
                result = temp;
            }
        }

        return new ByteArrayInputStream(result, 0, curr);

    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException ignore) {}
        }
    }
}
 

/**
 * Returns a display string for a resource lookup
 * @param url the resource url, such as {@code @string/foo}
 * @param lookupChain the list of resolved items to display
 * @return the display string
 */
@NonNull
public static String getDisplayString(
        @NonNull String url,
        @NonNull List<ResourceValue> lookupChain) {
    StringBuilder sb = new StringBuilder();
    sb.append(url);
    String prev = url;
    for (ResourceValue element : lookupChain) {
        if (element == null) {
            continue;
        }
        String value = element.getValue();
        if (value == null) {
            continue;
        }
        String text = value;
        if (text.equals(prev)) {
            continue;
        }

        sb.append(" => ");

        // Strip paths
        if (!(text.startsWith(PREFIX_THEME_REF) || text.startsWith(PREFIX_RESOURCE_REF))) {
            int end = Math.max(text.lastIndexOf('/'), text.lastIndexOf('\\'));
            if (end != -1) {
                text = text.substring(end + 1);
            }
        }
        sb.append(text);

        prev = value;
    }

    return sb.toString();
}
 

/**
 * Create a new add-on package descriptor.
 * <p/>
 * The vendor id and the name id provided are used to compute the add-on's
 * target hash.
 *
 * @param version The android version of the add-on package.
 * @param revision The revision of the add-on package.
 * @param addonVendor The vendor id/display of the add-on package.
 * @param addonName The name id/display of the add-on package.
 * @return A {@link PkgDesc} describing this add-on package.
 */
@NonNull
public static Builder newAddon(@NonNull AndroidVersion version,
                               @NonNull MajorRevision revision,
                               @NonNull IdDisplay addonVendor,
                               @NonNull IdDisplay addonName) {
    Builder p = new Builder(PkgType.PKG_ADDON);
    p.mAndroidVersion = version;
    p.mMajorRevision  = revision;
    p.mVendor         = addonVendor;
    p.mNameIdDisplay  = addonName;
    return p;
}
 

private void removeItem(@NonNull ResourceItem removedItem) {
    synchronized (ITEM_MAP_LOCK) {
        Multimap<String, ResourceItem> map = getMap(removedItem.getType(), false);
        if (map != null) {
            map.remove(removedItem.getName(), removedItem);
        }
    }
}
 

private static boolean isAnnotationPartOf(
        @NonNull List<AnnotationNode> annotations, @NonNull String annotationInternalName) {

    for (AnnotationNode annotation : annotations) {
        if (annotation.desc.equals(annotationInternalName)) {
            return true;
        }
    }
    return false;
}
 

/**
 * Private constructor.
 * <p/>
 * Use {@link #load(String, PropertyType)} or {@link #create(String, PropertyType)}
 * to instantiate.
 */
protected ProjectProperties(
        @NonNull IAbstractFolder projectFolder,
        @NonNull Map<String, String> map,
        @NonNull PropertyType type) {
    mProjectFolder = projectFolder;
    mProperties = map;
    mType = type;
}
 

/**
 * Creates a new debug store with the location, keyalias, and passwords specified in the
 * config.
 *
 * @param signingConfig The signing config
 * @param logger a logger object to receive the log of the creation.
 * @throws KeytoolException
 */
public static boolean createDebugStore(@Nullable String storeType, @NonNull File storeFile,
                                       @NonNull String storePassword, @NonNull String keyPassword,
                                       @NonNull String keyAlias,
                                       @NonNull ILogger logger) throws KeytoolException {

    return createNewStore(storeType, storeFile, storePassword, keyPassword, keyAlias,
                          CERTIFICATE_DESC, 30 /* validity*/, logger);
}
 

@Override
public boolean validates(@NonNull MergingReport.Builder mergingReport,
        @NonNull XmlAttribute attribute, @NonNull String value) {
    boolean valid = super.validates(mergingReport, attribute, value);
    if (valid) {
        try {
            Long decodedValue = Long.decode(value);
            valid = decodedValue >= mMinimumValue && decodedValue < 0xFFFFFFFFL;
        } catch(NumberFormatException e) {
            valid = false;
        }
        if (!valid) {
            attribute.addMessage(mergingReport, MergingReport.Record.Severity.ERROR,
                    String.format(
                            "Attribute %1$s at %2$s is not a valid hexadecimal value,"
                                    + " minimum is 0x%3$08X, maximum is 0x%4$08X, found %5$s",
                            attribute.getId(),
                            attribute.printPosition(),
                            mMinimumValue,
                            Integer.MAX_VALUE,
                            value
                    ));
        }
        return valid;
    }
    return false;
}
 

/**
 * Enforces {@link SdkConstants#ANDROID_URI} declaration in the top level element.
 * It is possible that the original manifest file did not contain any attribute declaration,
 * therefore not requiring a xmlns: declaration. Yet the implicit elements handling may have
 * added attributes requiring the namespace declaration.
 */
private static void enforceAndroidNamespaceDeclaration(@NonNull XmlDocument xmlDocument) {
    XmlElement manifest = xmlDocument.getRootNode();
    for (XmlAttribute xmlAttribute : manifest.getAttributes()) {
        if (xmlAttribute.getXml().getName().startsWith(SdkConstants.XMLNS) &&
                xmlAttribute.getValue().equals(SdkConstants.ANDROID_URI)) {
            return;
        }
    }
    // if we are here, we did not find the namespace declaration, add it.
    manifest.getXml().setAttribute(SdkConstants.XMLNS + ":" + "android",
            SdkConstants.ANDROID_URI);
}
 

protected void removeFile(@NonNull Collection<ResourceType> types,
        @NonNull ResourceFile file) {
    ensureInitialized();

    for (ResourceType type : types) {
        removeFile(type, file);
    }
}
 

/**
 * Post validation of the merged document. This will essentially check that all merging
 * instructions were applied at least once.
 *
 * @param xmlDocument merged document to check.
 * @param mergingReport report for errors and warnings.
 */
public static void validate(
        @NonNull XmlDocument xmlDocument,
        @NonNull MergingReport.Builder mergingReport) {

    Preconditions.checkNotNull(xmlDocument);
    Preconditions.checkNotNull(mergingReport);
    enforceAndroidNamespaceDeclaration(xmlDocument);
    reOrderElements(xmlDocument.getRootNode());
    validate(xmlDocument.getRootNode(),
            mergingReport.getActionRecorder().build(),
            mergingReport);
}
 

/**
 * Returns a long description for an {@link IDescription}.
 * Can be empty but not null.
 */
@NonNull
@Override
public String getLongDescription() {
    StringBuilder sb = new StringBuilder();

    String s = getDescription();
    if (s != null) {
        sb.append(s);
    }
    if (sb.length() > 0) {
        sb.append("\n");
    }

    sb.append(String.format("Revision %1$s%2$s",
            getRevision().toShortString(),
            isObsolete() ? " (Obsolete)" : ""));

    s = getDescUrl();
    if (s != null && s.length() > 0) {
        sb.append(String.format("\n\nMore information at %1$s", s));
    }

    s = getReleaseNote();
    if (s != null && s.length() > 0) {
        sb.append("\n\nRelease note:\n").append(s);
    }

    s = getReleaseNoteUrl();
    if (s != null && s.length() > 0) {
        sb.append("\nRelease note URL: ").append(s);
    }

    return sb.toString();
}
 

static boolean isClassEligibleForStark(@NonNull File inputFile) {
    if (inputFile.getPath().endsWith(SdkConstants.DOT_CLASS)) {
        return isClassEligibleForStark(inputFile.getName());
    } else {
        return false;
    }
}
 

static boolean isClassEligibleForStark(@NonNull String name) {
    if (name.endsWith(SdkConstants.DOT_CLASS)) {
        return !name.equals("R" + SdkConstants.DOT_CLASS) && !name.startsWith("R$");
    } else {
        return false;
    }
}
 

/**
 * Adds any declare styleable attr items below the given declare styleable nodes
 * into the given list
 *
 * @param styleableNode the declare styleable node
 * @param list the list to add items into
 * @param map map of existing items to detect dups.
 */
static void addStyleableItems(@NonNull Node styleableNode,
                              @NonNull List<ResourceItem> list,
                              @Nullable Map<ResourceType, Set<String>> map,
                              @Nullable File from)
        throws MergingException {
    assert styleableNode.getNodeName().equals(ResourceType.DECLARE_STYLEABLE.getName());
    NodeList nodes = styleableNode.getChildNodes();

    for (int i = 0, n = nodes.getLength(); i < n; i++) {
        Node node = nodes.item(i);

        if (node.getNodeType() != Node.ELEMENT_NODE) {
            continue;
        }

        ResourceItem resource = getResource(node, from);
        if (resource != null) {
            assert resource.getType() == ResourceType.ATTR;

            // is the attribute in the android namespace?
            if (!resource.getName().startsWith(ANDROID_NS_NAME_PREFIX)) {
                if (hasFormatAttribute(node) || XmlUtils.hasElementChildren(node)) {
                    checkDuplicate(resource, map);
                    resource.setIgnoredFromDiskMerge(true);
                    list.add(resource);
                }
            }
        }
    }
}
 

/**
 * Save this {@link ArchFilter} attributes into the the given {@link Properties} object.
 * These properties can later be given to the constructor that takes a {@link Properties} object.
 * <p/>
 * Null attributes are not saved in the properties.
 *
 * @param props A non-null properties object to fill with non-null attributes.
 */
void saveProperties(@NonNull Properties props) {
    if (mHostOs != null) {
        props.setProperty(PROP_HOST_OS, mHostOs.getXmlName());
    }
    if (mHostBits != null) {
        props.setProperty(PROP_HOST_BITS, mHostBits.getXmlName());
    }
    if (mJvmBits != null) {
        props.setProperty(PROP_JVM_BITS, mJvmBits.getXmlName());
    }
    if (mMinJvmVersion != null) {
        props.setProperty(PROP_MIN_JVM_VERSION, mMinJvmVersion.toShortString());
    }
}
 

@NonNull
private static AttrResourceValue parseAttrValue(@NonNull Node valueNode,
        @NonNull AttrResourceValue attrValue) {
    NodeList children = valueNode.getChildNodes();
    for (int i = 0, n = children.getLength(); i < n; i++) {
        Node child = children.item(i);

        if (child.getNodeType() == Node.ELEMENT_NODE) {
            NamedNodeMap attributes = child.getAttributes();
            String name = getAttributeValue(attributes, ATTR_NAME);
            if (name != null) {
                String value = getAttributeValue(attributes, ATTR_VALUE);
                if (value != null) {
                    try {
                        // Integer.decode/parseInt can't deal with hex value > 0x7FFFFFFF so we
                        // use Long.decode instead.
                        attrValue.addValue(name, (int) (long) Long.decode(value));
                    } catch (NumberFormatException e) {
                        // pass, we'll just ignore this value
                    }
                }
            }
        }
    }

    return attrValue;
}
 

/**
 * Creates a {@link FolderConfiguration} matching the folder segments.
 * @param folderSegments The segments of the folder name. The first segments should contain
 * the name of the folder
 * @return a FolderConfiguration object, or null if the folder name isn't valid..
 */
@Nullable
public static FolderConfiguration getConfig(@NonNull String[] folderSegments) {
    Iterator<String> iterator = Iterators.forArray(folderSegments);
    if (iterator.hasNext()) {
        // Skip the first segment: it should be just the base folder, such as "values" or
        // "layout"
        iterator.next();
    }

    return getConfigFromQualifiers(iterator);
}
 

/**
 * Returns whether the given file is an ouput of this source file.
 * @param file the file to test.
 * @return true if the file is an output file.
 */
public boolean hasOutput(@NonNull File file) {
    if (!mIsParsed) {
        throw new IllegalStateException("Parsing was not done");
    }
    return mOutputFiles.contains(file);
}
 

/** Strips out a leading UTF byte order mark, if present */
@NonNull
public static String stripBom(@NonNull String xml) {
    if (!xml.isEmpty() && xml.charAt(0) == '\uFEFF') {
        return xml.substring(1);
    }
    return xml;
}
 

private Record(@NonNull ActionType actionType,
        @NonNull ActionLocation actionLocation,
        @NonNull XmlNode.NodeKey targetId,
        @Nullable String reason) {
    mActionType = Preconditions.checkNotNull(actionType);
    mActionLocation = Preconditions.checkNotNull(actionLocation);
    mTargetId = Preconditions.checkNotNull(targetId);
    mReason = reason;
}