diff options
Diffstat (limited to 'M4-RCs/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/ViewUtility.java')
| -rw-r--r-- | M4-RCs/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/ViewUtility.java | 593 |
1 files changed, 0 insertions, 593 deletions
diff --git a/M4-RCs/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/ViewUtility.java b/M4-RCs/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/ViewUtility.java deleted file mode 100644 index 5d6a03b238..0000000000 --- a/M4-RCs/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/ViewUtility.java +++ /dev/null @@ -1,593 +0,0 @@ -/* - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - * - */ -package org.apache.qpid.management.ui.views; - -import java.io.UnsupportedEncodingException; -import java.nio.charset.Charset; -import java.security.MessageDigest; -import java.security.NoSuchAlgorithmException; -import java.util.ArrayList; -import java.util.Collections; -import java.util.Comparator; -import java.util.List; -import java.util.Map; -import java.util.Set; - -import javax.management.openmbean.ArrayType; -import javax.management.openmbean.CompositeData; -import javax.management.openmbean.CompositeDataSupport; -import javax.management.openmbean.CompositeType; -import javax.management.openmbean.OpenType; -import javax.management.openmbean.TabularDataSupport; -import javax.management.openmbean.TabularType; - -import org.apache.qpid.management.ui.ApplicationWorkbenchAdvisor; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.Status; -import org.eclipse.jface.dialogs.ErrorDialog; -import org.eclipse.swt.SWT; -import org.eclipse.swt.events.SelectionAdapter; -import org.eclipse.swt.events.SelectionEvent; -import org.eclipse.swt.events.SelectionListener; -import org.eclipse.swt.layout.GridData; -import org.eclipse.swt.layout.GridLayout; -import org.eclipse.swt.widgets.Button; -import org.eclipse.swt.widgets.Composite; -import org.eclipse.swt.widgets.Control; -import org.eclipse.swt.widgets.Display; -import org.eclipse.swt.widgets.Label; -import org.eclipse.swt.widgets.MessageBox; -import org.eclipse.swt.widgets.Shell; -import org.eclipse.swt.widgets.Text; -import org.eclipse.ui.forms.widgets.FormToolkit; - -/** - * Utility Class for displaying OpenMbean data types by creating required SWT widgets - * @author Bhupendra Bhardwaj - */ -public class ViewUtility -{ - public static final String OP_NAME = "operation_name"; - public static final String OP_PARAMS = "parameters"; - public static final String PARAMS_TEXT = "text"; - - public static final String FIRST = "First"; - public static final String LAST = "Last"; - public static final String NEXT = "Next"; - public static final String PREV = "Previous"; - public static final String INDEX = "Index"; - - private static final Comparator tabularDataComparator = new TabularDataComparator(); - - private static List<String> SUPPORTED_ARRAY_DATATYPES = new ArrayList<String>(); - static - { - SUPPORTED_ARRAY_DATATYPES.add("java.lang.String"); - SUPPORTED_ARRAY_DATATYPES.add("java.lang.Boolean"); - SUPPORTED_ARRAY_DATATYPES.add("java.lang.Character"); - SUPPORTED_ARRAY_DATATYPES.add("java.lang.Integer"); - SUPPORTED_ARRAY_DATATYPES.add("java.lang.Long"); - SUPPORTED_ARRAY_DATATYPES.add("java.lang.Double"); - SUPPORTED_ARRAY_DATATYPES.add("java.util.Date"); - } - - /** - * Populates the composite with given openmbean data type (TabularType or CompositeType) - * @param toolkit - * @param parent composite - * @param data open mbean data type(either composite type or tabular data type) - */ - public static void populateCompositeWithData(FormToolkit toolkit, Composite parent, Object data) - { - if (data instanceof TabularDataSupport) - { - ViewUtility.createTabularDataHolder(toolkit, parent, (TabularDataSupport)data); - } - else if (data instanceof CompositeDataSupport) - { - ViewUtility.populateCompositeWithCompositeData(toolkit, parent, (CompositeDataSupport)data); - } - } - - @SuppressWarnings("unchecked") - private static void createTabularDataHolder(FormToolkit toolkit, Composite parent, TabularDataSupport tabularData) - { - Composite composite = toolkit.createComposite(parent, SWT.BORDER); - GridLayout layout = new GridLayout(4, true); - layout.horizontalSpacing = 0; - layout.marginWidth = 0; - layout.marginHeight = 10; - layout.verticalSpacing = 10; - composite.setLayout(layout); - composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); - - Set entrySet = tabularData.entrySet(); - ArrayList<Map.Entry> list = new ArrayList<Map.Entry>(entrySet); - if (list.size() == 0) - { - Text text = toolkit.createText(composite, " No records ", SWT.CENTER | SWT.SINGLE | SWT.READ_ONLY); - GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true, 4, 1); - text.setLayoutData(layoutData); - return; - } - - Collections.sort(list, tabularDataComparator); - - // Attach the tabular record to be retrieved and shown later when record is traversed - // using first/next/previous/last buttons - composite.setData(list); - - // Create button and the composite for CompositeData - Composite compositeDataHolder = createCompositeDataHolder(toolkit, composite, - tabularData.getTabularType().getRowType()); - - // display the first record - CompositeData data = (CompositeData)(list.get(0)).getValue(); - composite.setData(INDEX, 0); - populateCompositeWithCompositeData(toolkit, compositeDataHolder, data); - enableOrDisableTraversalButtons(composite); - } - - private static void enableOrDisableTraversalButtons(Composite composite) - { - int index = (Integer)composite.getData(INDEX); - int size = ((List)composite.getData()).size(); - - ((Button)composite.getData(FIRST)).setEnabled(true); - ((Button)composite.getData(PREV)).setEnabled(true); - ((Button)composite.getData(NEXT)).setEnabled(true); - ((Button)composite.getData(LAST)).setEnabled(true); - - if (index == 0) - { - ((Button)composite.getData(FIRST)).setEnabled(false); - ((Button)composite.getData(PREV)).setEnabled(false); - } - if (index == size -1) - { - ((Button)composite.getData(NEXT)).setEnabled(false); - ((Button)composite.getData(LAST)).setEnabled(false); - } - } - - /** - * Sets up the given composite for holding a CompositeData. Create traversal buttons, label etc and - * creates a child Composite, which should be populated with the CompositeData - * @param toolkit - * @param dataHolder - * @param compositeType - * @return - */ - private static Composite createCompositeDataHolder(final FormToolkit toolkit, final Composite dataHolder, CompositeType compositeType) - { - String desc = compositeType.getDescription(); - Label description = toolkit.createLabel(dataHolder, desc, SWT.CENTER); - description.setLayoutData(new GridData(SWT.CENTER, SWT.TOP, true, false, 4, 1)); - // TODO nameLabel.setFont(font); - description.setText(desc); - - // Add traversal buttons - final Button firstRecordButton = toolkit.createButton(dataHolder, FIRST, SWT.PUSH); - GridData layoutData = new GridData (GridData.HORIZONTAL_ALIGN_END); - layoutData.widthHint = 80; - firstRecordButton.setLayoutData(layoutData); - - final Button nextRecordButton = toolkit.createButton(dataHolder, NEXT, SWT.PUSH); - layoutData = new GridData (GridData.HORIZONTAL_ALIGN_END); - layoutData.widthHint = 80; - nextRecordButton.setLayoutData(layoutData); - - final Button previousRecordButton = toolkit.createButton(dataHolder, PREV, SWT.PUSH); - layoutData = new GridData (GridData.HORIZONTAL_ALIGN_BEGINNING); - layoutData.widthHint = 80; - previousRecordButton.setLayoutData(layoutData); - - final Button lastRecordButton = toolkit.createButton(dataHolder, LAST, SWT.PUSH); - layoutData = new GridData (GridData.HORIZONTAL_ALIGN_BEGINNING); - layoutData.widthHint = 80; - lastRecordButton.setLayoutData(layoutData); - - // Now create the composite, which will hold the CompositeData - final Composite composite = toolkit.createComposite(dataHolder, SWT.NONE); - GridLayout layout = new GridLayout(); - layout.horizontalSpacing = layout.verticalSpacing = 0; - layout.marginHeight = layout.marginWidth = 0; - composite.setLayout(layout); - composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 4, 1)); - - // Add button references. These references will be used when buttons - // are to enabled or disabled based of record index. e.g. for first record - // First and Previous buttons will be disabled. - dataHolder.setData(FIRST, firstRecordButton); - dataHolder.setData(NEXT, nextRecordButton); - dataHolder.setData(PREV, previousRecordButton); - dataHolder.setData(LAST, lastRecordButton); - - // Listener for the traversal buttons. When a button is clicked the respective - // CompositeData will be populated in the composite - SelectionListener listener = new SelectionAdapter() - { - public void widgetSelected(SelectionEvent e) - { - if (!(e.widget instanceof Button)) - return; - - Button traverseButton =(Button)e.widget; - // Get the CompositeData respective to the button selected - CompositeData data = getCompositeData(dataHolder, traverseButton.getText()); - populateCompositeWithCompositeData(toolkit, composite, data); - enableOrDisableTraversalButtons(dataHolder); - } - }; - - firstRecordButton.addSelectionListener(listener); - nextRecordButton.addSelectionListener(listener); - previousRecordButton.addSelectionListener(listener); - lastRecordButton.addSelectionListener(listener); - - return composite; - } - - /** - * The CompositeData is set as data with the Composite and using the index, this method will - * return the corresponding CompositeData - * @param compositeHolder - * @param dataIndex - * @return the CompositeData respective to the index - */ - private static CompositeData getCompositeData(Composite compositeHolder, String dataIndex) - { - List objectData = (List)compositeHolder.getData(); - if (objectData == null || objectData.isEmpty()) - { - // TODO - } - - // Get the index of record to be shown. - int index = 0; - if (compositeHolder.getData(INDEX) != null) - { - index = (Integer)compositeHolder.getData(INDEX); - } - - if (FIRST.equals(dataIndex)) - { - index = 0; - } - else if (NEXT.equals(dataIndex)) - { - index = index + 1; - } - else if (PREV.equals(dataIndex)) - { - index = (index != 0) ? (index = index - 1) : index; - } - else if (LAST.equals(dataIndex)) - { - index = objectData.size() -1; - } - - // Set the index being shown. - compositeHolder.setData(INDEX, index); - - return (CompositeData)((Map.Entry)objectData.get(index)).getValue(); - } - - /** - * Populates the given composite with the CompositeData. Creates required widgets to hold the data types - * @param toolkit - * @param parent - * @param data CompositeData - */ - @SuppressWarnings("unchecked") - private static void populateCompositeWithCompositeData(FormToolkit toolkit, Composite parent, CompositeData data) - { - Control[] oldControls = parent.getChildren(); - for (int i = 0; i < oldControls.length; i++) - { - oldControls[i].dispose(); - } - - Composite compositeHolder = toolkit.createComposite(parent, SWT.NONE); - GridLayout layout = new GridLayout(4, false); - layout.horizontalSpacing = 10; - compositeHolder.setLayout(layout); - compositeHolder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); - - - // ItemNames in composite data - List<String> itemNames = new ArrayList<String>(data.getCompositeType().keySet()); - - for (String itemName : itemNames) - { - OpenType itemType = data.getCompositeType().getType(itemName); - Label keyLabel = toolkit.createLabel(compositeHolder, itemName, SWT.TRAIL); - GridData layoutData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1); - layoutData.minimumWidth = 70; - keyLabel.setLayoutData(layoutData); - - if (itemType.isArray()) - { - OpenType type = ((ArrayType)itemType).getElementOpenType(); - // If Byte array and mimetype is text, convert to text string - if (type.getClassName().equals(Byte.class.getName())) - { - String mimeType = null; - String encoding = null; - if (data.containsKey("MimeType")) - { - mimeType = (String)data.get("MimeType"); - } - if (data.containsKey("Encoding")) - { - encoding = (String)data.get("Encoding"); - } - - if (encoding == null || encoding.length() == 0) - { - encoding = Charset.defaultCharset().name(); - } - - if ("text/plain".equals(mimeType)) - { - convertByteArray(toolkit, compositeHolder, data, itemName, encoding); - } - else - { - setNotSupportedDataType(toolkit, compositeHolder); - } - } - // If array of any other supported type, show as a list of String array - else if (SUPPORTED_ARRAY_DATATYPES.contains(type.getClassName())) - { - convertArrayItemForDisplay(compositeHolder, data, itemName); - } - else - { - setNotSupportedDataType(toolkit, compositeHolder); - } - } - else if (itemType instanceof TabularType) - { - Composite composite = toolkit.createComposite(compositeHolder, SWT.NONE); - composite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 3, 1)); - layout = new GridLayout(); - layout.marginHeight = 0; - layout.marginWidth = 0; - composite.setLayout(layout); - createTabularDataHolder(toolkit, composite, (TabularDataSupport)data.get(itemName)); - } - else - { - Text valueText = toolkit.createText(compositeHolder, String.valueOf(data.get(itemName)), SWT.READ_ONLY | SWT.BORDER); - valueText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 3, 1)); - } - } - - // layout the composite after creating new widgets. - parent.layout(); - } //end of method - - - private static void convertByteArray(FormToolkit toolkit, Composite compositeHolder, CompositeData data, String itemName, String encoding) - { - Byte[] arrayItems = (Byte[])data.get(itemName); - byte[] byteArray = new byte[arrayItems.length]; - - for (int i = 0; i < arrayItems.length; i++) - { - byteArray[i] = arrayItems[i]; - } - try - { - String textMessage = new String(byteArray, encoding); - - Text valueText = toolkit.createText(compositeHolder, textMessage, SWT.READ_ONLY | SWT.BORDER | - SWT.MULTI | SWT.WRAP | SWT.V_SCROLL); - GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1); - gridData.heightHint = 300; - valueText.setLayoutData(gridData); - } - catch(Exception ex) - { - ex.printStackTrace(); - } - } - - private static Shell getShell() - { - Shell shell = Display.getCurrent().getActiveShell(); - - // Under linux GTK getActiveShell returns null so we need to make a new shell for display. - // Under windows this is fine. - if (shell == null) - { - // This occurs under linux gtk - shell = new Shell(Display.getCurrent(), SWT.BORDER | SWT.CLOSE | SWT.MIN | SWT.MAX); - } - - return shell; - } - - private static int showBox(String title, String message, int icon) - { - MessageBox messageBox = new MessageBox(getShell(), icon); - messageBox.setMessage(message); - messageBox.setText(title); - - return messageBox.open(); - } - - public static int popupInfoMessage(String title, String message) - { - return showBox(title, message, SWT.ICON_INFORMATION | SWT.OK); - } - - public static int popupErrorMessage(String title, String message) - { - return showBox(title, message, SWT.ICON_ERROR | SWT.OK); - } - - public static int popupConfirmationMessage(String title, String message) - { - return showBox(title, message,SWT.ICON_QUESTION | SWT.YES | SWT.NO | SWT.CANCEL); - } - - - public static Shell createPopupShell(String title, int width, int height) - { - Display display = Display.getCurrent(); - Shell shell = new Shell(display, SWT.BORDER | SWT.CLOSE | SWT.MIN |SWT.MAX); - shell.setText(title); - shell.setLayout(new GridLayout()); - int x = display.getBounds().width; - int y = display.getBounds().height; - shell.setBounds(x/4, y/4, width, height); - - return shell; - } - - /** - * Creates a List widget for displaying array of strings - * @param compositeHolder - * @param data - containing the array item value - * @param itemName - item name - */ - private static void convertArrayItemForDisplay(Composite compositeHolder, CompositeData data, String itemName) - { - Object[] arrayItems = (Object[])data.get(itemName); - String[] items = new String[arrayItems.length]; - for (int i = 0; i < arrayItems.length; i++) - { - items[i] = String.valueOf(arrayItems[i]); - } - org.eclipse.swt.widgets.List list = new org.eclipse.swt.widgets.List(compositeHolder, - SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | SWT.READ_ONLY); - list.setItems(items); - //list.setBackground(compositeHolder.getBackground()); - list.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1)); - } - - private static void setNotSupportedDataType(FormToolkit toolkit, Composite compositeHolder) - { - Text valueText = toolkit.createText(compositeHolder, "--- Content can not be displayed ---", SWT.READ_ONLY); - valueText.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 3, 1)); - } - - /** - * Converts the input string to displayable format by converting some character case or inserting space - * @param input - * @return formatted string - */ - public static String getDisplayText(String input) - { - StringBuffer result = new StringBuffer(input); - if (Character.isLowerCase(result.charAt(0))) - { - result.setCharAt(0, Character.toUpperCase(result.charAt(0))); - } - for (int i = 1; i < input.length(); i++) - { - if (Character.isUpperCase(result.charAt(i)) && !Character.isWhitespace(result.charAt(i - 1)) - && Character.isLowerCase(result.charAt(i - 1))) - { - result.insert(i, " "); - i++; - } - else if (Character.isLowerCase(result.charAt(i)) && Character.isWhitespace(result.charAt(i - 1))) - { - result.setCharAt(i, Character.toUpperCase(result.charAt(i))); - } - - } - - return result.toString(); - } - - /** - * Disposes the children of given Composite if not null and not already disposed - * @param parent composite - */ - public static void disposeChildren(Composite parent) - { - if (parent == null || parent.isDisposed()) - return; - - Control[] oldControls = parent.getChildren(); - for (int i = 0; i < oldControls.length; i++) - { - oldControls[i].dispose(); - } - } - - public static char[] getHash(String text) throws NoSuchAlgorithmException, UnsupportedEncodingException - { - byte[] data = text.getBytes("utf-8"); - - MessageDigest md = MessageDigest.getInstance("MD5"); - - for (byte b : data) - { - md.update(b); - } - - byte[] digest = md.digest(); - - char[] hash = new char[digest.length ]; - - int index = 0; - for (byte b : digest) - { - hash[index++] = (char) b; - } - - return hash; - } - - private static class TabularDataComparator implements java.util.Comparator<Map.Entry> - { - public int compare(Map.Entry data1, Map.Entry data2) - { - if (data1.getKey() instanceof List) - { - Object obj1 = ((List)data1.getKey()).get(0); - Object obj2 = ((List)data2.getKey()).get(0); - String str1 = obj1.toString(); - String str2 = obj2.toString(); - if (obj1 instanceof String) - { - return str1.compareTo(str2); - } - - try - { - return Long.valueOf(str1).compareTo(Long.valueOf(str2)); - } - catch (Exception ex) - { - return -1; - } - } - - return -1; - } - } -} |