Examples of org.jboss.dna.graph.property.Path

org.jboss.dna.graph.property.Path
rg/en/jsr/detail?id=283">JSR-283 by converting the reserved characters (namely '*', '/', ':', '[', ']' and '|') to their unicode equivalent.
{@link #URL_ENCODER UrlEncoder} - an encoder and decoder that is useful for converting text to be used within a URL, asdefined by Section 2.3 of RFC 2396. This encoder does encode many characters (including '`', '@', '#', '$', '^', '&', '{', '[', '}', ']', '|', ':', ';', '\', '"', '<', ',', '>', '?', '/', and ' '), while others are not encoded (including '-', '_', '.', '!', '~', '*', '\', ''', '(', and ')'). Note that only the '*' character is the only character reserved by JSR-283 that is not encoded by the URL encoder.
{@link #NO_OP_ENCODER NoOpEncoder} - an {@link TextEncoder encoder} implementation that does nothing.

This class simplifies working with paths and using a Path is often more efficient that processing and manipulating the equivalent String. This class can easily {@link #iterator() iterate} over the segments, returnthe {@link #size() number of segments}, {@link #compareTo(Path) compare} with other paths, {@link #resolve(Path) resolve}relative paths, return the {@link #getParent() ancestor (or parent)}, determine whether one path is an {@link #isAncestorOf(Path) ancestor} or {@link #isDecendantOf(Path) decendent} of another path, and{@link #getCommonAncestor(Path) finding a common ancestor}.

         *         node where the node is to be created
         */
        public final Create<Batch> create( Path at ) {
            assertNotExecuted();
            CheckArg.isNotNull(at, "at");
            Path parent = at.getParent();
            Name name = at.getLastSegment().getName();
            return create(Location.create(parent), name);
        }

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        if (workspace == null) return null;


        ProjectedNode projectedNode = workspace.project(getExecutionContext(), location, requiresUpdate);
        if (projectedNode == null) {
            I18n msg = GraphI18n.locationCannotBeProjectedIntoWorkspaceAndSource;
            Path root = getExecutionContext().getValueFactories().getPathFactory().createRootPath();
            request.setError(new PathNotFoundException(location, root, msg.text(readable(location),
                                                                                workspace.getName(),
                                                                                repository.getSourceName())));
        }
        return projectedNode;

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                case DO_NOT_REPLACE:
                    // See if there is an existing node at the desired location ...
                    Location parent = request.under();
                    if (parent.hasPath()) {
                        PathFactory pathFactory = getExecutionContext().getValueFactories().getPathFactory();
                        Path childPath = pathFactory.create(parent.getPath(), request.named());
                        Location childLocation = Location.create(childPath);
                        projectedNode = project(childLocation, request.inWorkspace(), request, true);
                        if (projectedNode != null) {
                            if (projectedNode.isProxy()) {
                                ProxyNode proxy = projectedNode.asProxy();

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                PathFactory pathFactory = store.getContext().getValueFactories().getPathFactory();
                for (Namespace namespace : toRegister) {
                    String prefix = namespace.getPrefix();
                    if (prefix.length() == 0) continue;
                    String uri = namespace.getNamespaceUri();
                    Path pathToNamespaceNode = pathFactory.create(parentOfNamespaceNodes, prefix);
                    batch.create(pathToNamespaceNode).with(namespaceProperties).and(uriPropertyName, uri).and();
                }
                batch.execute();
            }

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    protected String readUriFor( String prefix ) {
        // Read the store ...
        try {
            PathFactory pathFactory = store.getContext().getValueFactories().getPathFactory();
            Path pathToNamespaceNode = pathFactory.create(parentOfNamespaceNodes, prefix);
            Property uri = store.getProperty(uriPropertyName).on(pathToNamespaceNode);
            // Get the URI property value ...
            ValueFactory<String> stringFactory = store.getContext().getValueFactories().getStringFactory();
            return stringFactory.create(uri.getFirstValue());
        } catch (PathNotFoundException e) {

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                }
            }
            if (generateIfMissing) {
                // Generated prefixes are simply "ns" followed by the SNS index ...
                PathFactory pathFactory = store.getContext().getValueFactories().getPathFactory();
                Path pathToNamespaceNode = pathFactory.create(parentOfNamespaceNodes, GENERATED_PREFIX);
                Property uriProperty = store.getContext().getPropertyFactory().create(uriPropertyName, namespaceUri);
                List<Property> props = new ArrayList<Property>(namespaceProperties);
                props.add(uriProperty);
                // Location actualLocation = store.createIfMissing(pathToNamespaceNode, props).andReturn().getLocation();
                store.create(pathToNamespaceNode, props).ifAbsent().and();

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        // Read the store ...
        String previousUri = null;
        ValueFactory<String> stringFactory = store.getContext().getValueFactories().getStringFactory();
        PathFactory pathFactory = store.getContext().getValueFactories().getPathFactory();
        Path pathToNamespaceNode = pathFactory.create(parentOfNamespaceNodes, prefix);
        try {
            Subgraph nsGraph = store.getSubgraphOfDepth(2).at(parentOfNamespaceNodes);
            // Iterate over the existing mappings, looking for one that uses the URI ...
            Location nsNodeWithPrefix = null;
            boolean updateNode = true;

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     */
    @Override
    public boolean equals( Object obj ) {
        if (obj == this) return true;
        if (obj instanceof Path) {
            Path that = (Path)obj;
            return that.isRoot();
        }
        return false;
    }

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            } catch (IllegalArgumentException t) {
                // Catch and eat, letting the slower implementation catch anything ...
            }
        }
        // It is a subpath with more than one segment, so create a relative path for the subpath ...
        Path relativeSubpath = create(subpath);
        return create(parentPath, relativeSubpath);


    }

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            CheckArg.isNotNull(location, "location");
            return request.includes(location);
        }


        public boolean includes( String pathStr ) {
            Path path = createPath(pathStr);
            path = getAbsolutePath(path);
            return includes(path);
        }

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