Example usage for org.apache.commons.lang3.reflect FieldUtils getAllFieldsList

Introduction

In this page you can find the example usage for org.apache.commons.lang3.reflect FieldUtils getAllFieldsList.

Prototype

public static List<Field> getAllFieldsList(final Class<?> cls) 

Source Link

Document

Gets all fields of the given class and its parents (if any).

Usage

From source file:org.objectpocket.viewer.Viewer.java

private void updateTable() {
    String selectedType = ((DefaultMutableTreeNode) classTree.getSelectionPath().getLastPathComponent())
            .toString();//from  w w w .  j  av a2 s  .c o m
    String selectedObjectPocket = ((DefaultMutableTreeNode) classTree.getSelectionPath()
            .getPathComponent(classTree.getSelectionPath().getPathCount() - 2)).toString();
    ObjectPocketImpl objectPocket = null;
    for (ObjectPocketImpl objectPocketImpl : objectPocketList) {
        if (objectPocketImpl.getSource().equals(selectedObjectPocket)) {
            objectPocket = objectPocketImpl;
        }
    }
    if (objectPocket != null) {
        Map<String, Object> objectMap = objectPocket.getMapForType(selectedType);

        try {

            Class<?> clazz = Class.forName(selectedType);
            List<Field> allFields = FieldUtils.getAllFieldsList(clazz);
            List<Field> fields = new ArrayList<>();
            // filter fields
            for (Field field : allFields) {
                if (!Modifier.isTransient(field.getModifiers()) && !field.getName().equals("id")) {
                    fields.add(field);
                }
            }
            String[] columnNames = new String[fields.size() + 2];
            columnNames[0] = "";
            columnNames[1] = "id";
            int index = 2;
            for (Field f : fields) {
                columnNames[index] = f.getName() + "(" + f.getType().getSimpleName() + ")";
                index++;
            }

            // filter objects
            Map<String, Object> filteredObjects = filterObjects(objectMap, fields);

            String[][] rowData = new String[filteredObjects.size()][columnNames.length];
            index = 0;
            statusLabel.setText("object count: " + filteredObjects.size());
            for (String key : filteredObjects.keySet()) {
                rowData[index][0] = "" + (index + 1);
                rowData[index][1] = key;
                for (int i = 0; i < fields.size(); i++) {
                    Field f = fields.get(i);
                    f.setAccessible(true);
                    try {
                        Object object = f.get(filteredObjects.get(key));
                        if (object != null) {
                            rowData[index][2 + i] = object.toString();
                        } else {
                            rowData[index][2 + i] = "null";
                        }
                    } catch (IllegalArgumentException | IllegalAccessException e) {
                        e.printStackTrace();
                    }
                }
                index++;
            }
            DefaultTableModel tableModel = new DefaultTableModel(rowData, columnNames);
            objectTable.setModel(tableModel);
            viewerFrame.revalidate();

        } catch (ClassNotFoundException e) {
            Logger.getAnonymousLogger().warning("Could not load class for type. " + selectedType);
            e.printStackTrace();

            // --- fallback
            String[] columnNames = { "", "id", "data" };
            String[][] rowData = new String[objectMap.size()][3];
            int index = 0;
            for (String key : objectMap.keySet()) {
                rowData[index][0] = "" + (index + 1);
                rowData[index][1] = key;
                rowData[index][2] = objectMap.get(key).toString();
                index++;
            }
            DefaultTableModel tableModel = new DefaultTableModel(rowData, columnNames);
            objectTable.setModel(tableModel);
            viewerFrame.revalidate();
        }
    }
    for (int i = 0; i < objectTable.getColumnModel().getColumnCount(); i++) {
        if (i == 0) {
            objectTable.getColumnModel().getColumn(i).setPreferredWidth(50);
        } else {
            objectTable.getColumnModel().getColumn(i).setPreferredWidth(200);
        }
    }
}

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