Examples with NodeDraft org.gephi.io.importer.api.NodeDraft used on opensource projects

Example 1 with NodeDraft

use of org.gephi.io.importer.api.NodeDraft in project gephi by gephi.

the class ImporterPajek method readArcsOrEdges.

private String readArcsOrEdges(String curLine, BufferedReader br) throws Exception {
    String nextLine = curLine;
    boolean reading_arcs = false;
    boolean reading_edges = false;
    if (nextLine.toLowerCase().startsWith("*arcs")) {
        reading_arcs = true;
    } else if (nextLine.toLowerCase().startsWith("*edges")) {
        reading_edges = true;
    }
    if (!(reading_arcs || reading_edges)) {
        return nextLine;
    }
    boolean is_list = false;
    if (nextLine.toLowerCase().endsWith("list")) {
        is_list = true;
    }
    while (br.ready()) {
        if (cancel) {
            return nextLine;
        }
        nextLine = br.readLine();
        if (nextLine == null || nextLine.startsWith("*")) {
            break;
        }
        if (nextLine.equals("")) {
            // skip blank lines
            report.logIssue(new Issue(NbBundle.getMessage(ImporterPajek.class, "importerNET_error_dataformat2", lineReader.getLineNumber()), Issue.Level.WARNING));
            continue;
        }
        StringTokenizer st = new StringTokenizer(nextLine.trim());
        int vid1 = Integer.parseInt(st.nextToken()) - 1;
        NodeDraft nodeFrom = verticesArray[vid1];
        if (// one source, multiple destinations
        is_list) {
            do {
                int vid2 = Integer.parseInt(st.nextToken()) - 1;
                NodeDraft nodeTo = verticesArray[vid2];
                EdgeDraft edge = container.factory().newEdgeDraft();
                edge.setSource(nodeFrom);
                edge.setTarget(nodeTo);
                container.addEdge(edge);
            } while (st.hasMoreTokens());
        } else // one source, one destination, at most one weight
        {
            int vid2 = Integer.parseInt(st.nextToken()) - 1;
            NodeDraft nodeTo = verticesArray[vid2];
            EdgeDraft edge = container.factory().newEdgeDraft();
            edge.setSource(nodeFrom);
            edge.setTarget(nodeTo);
            // get the edge weight if we care
            if (st.hasMoreTokens()) {
                double edgeWeight = 1.0;
                try {
                    edgeWeight = new Double(st.nextToken());
                } catch (Exception e) {
                    report.logIssue(new Issue(NbBundle.getMessage(ImporterPajek.class, "importerNET_error_dataformat7", lineReader.getLineNumber()), Issue.Level.WARNING));
                }
                edge.setWeight(edgeWeight);
            }
            container.addEdge(edge);
        }
    }
    return nextLine;
}

Example 2 with NodeDraft

use of org.gephi.io.importer.api.NodeDraft in project gephi by gephi.

the class ImporterDL method readLabels.

private void readLabels(String labels) {
    StringTokenizer labelkonizer = new StringTokenizer(labels, ",");
    // check that there are the right number of labels
    if (labelkonizer.countTokens() != numNodes) {
        report.logIssue(new Issue(NbBundle.getMessage(ImporterDL.class, "importerDL_error_labelscount", labelkonizer.countTokens(), numNodes), Issue.Level.SEVERE));
    }
    int nodeCount = 0;
    while (labelkonizer.hasMoreTokens()) {
        String label = labelkonizer.nextToken();
        nodeCount++;
        NodeDraft nodeDraft = container.factory().newNodeDraft("" + nodeCount);
        nodeDraft.setLabel(label);
        container.addNode(nodeDraft);
    }
}

Example 3 with NodeDraft

use of org.gephi.io.importer.api.NodeDraft in project gephi by gephi.

the class ImporterDOT method stmt.

protected void stmt(StreamTokenizer streamTokenizer) throws Exception {
    if (streamTokenizer.sval == null || streamTokenizer.sval.equalsIgnoreCase("graph") || streamTokenizer.sval.equalsIgnoreCase("node") || streamTokenizer.sval.equalsIgnoreCase("edge")) {
    } else {
        String nodeId = nodeID(streamTokenizer);
        streamTokenizer.nextToken();
        if (streamTokenizer.ttype == '-') {
            NodeDraft nodeDraft = getOrCreateNode(nodeId);
            edgeStructure(streamTokenizer, nodeDraft);
        } else if (streamTokenizer.ttype == '[') {
            NodeDraft nodeDraft = getOrCreateNode(nodeId);
            nodeAttributes(streamTokenizer, nodeDraft);
        } else {
            getOrCreateNode(nodeId);
            streamTokenizer.pushBack();
        }
    }
}

Example 4 with NodeDraft

use of org.gephi.io.importer.api.NodeDraft in project gephi by gephi.

the class ImporterCSV method addNode.

private void addNode(String id, String label) {
    NodeDraft node;
    if (!container.nodeExists(id)) {
        node = container.factory().newNodeDraft(id);
        node.setLabel(label);
        container.addNode(node);
    }
}

Example 5 with NodeDraft

use of org.gephi.io.importer.api.NodeDraft in project gephi by gephi.

the class ImporterCSV method addEdge.

private void addEdge(String source, String target, float weight) {
    NodeDraft sourceNode;
    if (!container.nodeExists(source)) {
        sourceNode = container.factory().newNodeDraft(source);
        container.addNode(sourceNode);
    } else {
        sourceNode = container.getNode(source);
    }
    NodeDraft targetNode;
    if (!container.nodeExists(target)) {
        targetNode = container.factory().newNodeDraft(target);
        container.addNode(targetNode);
    } else {
        targetNode = container.getNode(target);
    }
    EdgeDraft edge = container.factory().newEdgeDraft();
    edge.setSource(sourceNode);
    edge.setTarget(targetNode);
    edge.setWeight(weight);
    container.addEdge(edge);
}