diff options
Diffstat (limited to 'java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/ViewUtility.java')
| -rw-r--r-- | java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/ViewUtility.java | 1036 |
1 files changed, 0 insertions, 1036 deletions
diff --git a/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/ViewUtility.java b/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/ViewUtility.java deleted file mode 100644 index ba4e091b73..0000000000 --- a/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/views/ViewUtility.java +++ /dev/null @@ -1,1036 +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 org.apache.commons.codec.binary.Hex; -import org.eclipse.swt.SWT; -import org.eclipse.swt.events.ControlAdapter; -import org.eclipse.swt.events.ControlEvent; -import org.eclipse.swt.events.SelectionAdapter; -import org.eclipse.swt.events.SelectionEvent; -import org.eclipse.swt.events.SelectionListener; -import org.eclipse.swt.graphics.Font; -import org.eclipse.swt.graphics.Image; -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.Event; -import org.eclipse.swt.widgets.Label; -import org.eclipse.swt.widgets.Listener; -import org.eclipse.swt.widgets.MessageBox; -import org.eclipse.swt.widgets.ScrollBar; -import org.eclipse.swt.widgets.Shell; -import org.eclipse.swt.widgets.Text; -import org.eclipse.ui.forms.widgets.FormToolkit; - -import org.apache.qpid.management.ui.ApplicationRegistry; - -import static org.apache.qpid.management.ui.Constants.FAILURE_IMAGE; -import static org.apache.qpid.management.ui.Constants.SUCCESS_IMAGE; - -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 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; - -/** - * Utility Class for displaying OpenMbean data types by creating required SWT widgets - */ -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 MBeanView _mbeanView = null; - - 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"); - } - - private static final int DEFAULT_CONTENT_SIZE = 198; - private static Button _firstButton, _nextButton, _previousButton, _lastButton; - private static Text _hexNumTextToEnd, _hexNumTextToStart; - - /** - * 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 previousRecordButton = toolkit.createButton(dataHolder, PREV, SWT.PUSH); - layoutData = new GridData (GridData.HORIZONTAL_ALIGN_END); - layoutData.widthHint = 80; - previousRecordButton.setLayoutData(layoutData); - - final Button nextRecordButton = toolkit.createButton(dataHolder, NEXT, SWT.PUSH); - layoutData = new GridData (GridData.HORIZONTAL_ALIGN_BEGINNING); - layoutData.widthHint = 80; - nextRecordButton.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 - { - handleBinaryMessageContent(toolkit, compositeHolder, data, itemName, encoding); - } - } - // 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(); - } - - /** - * Creates widgets for object messages and populates the content in hexadecimal format. - * @param toolkit - * @param compositeHolder - * @param data - * @param itemName - * @param encoding - */ - private static void handleBinaryMessageContent(FormToolkit toolkit, Composite compositeHolder, CompositeData data, String itemName, String encoding) - { - final String thisEncoding = encoding; - final Byte[] arrayItems = (Byte[]) data.get(itemName); - final byte[] byteArray = new byte[arrayItems.length]; - - for (int i = 0; i < arrayItems.length; i++) - { - byteArray[i] = arrayItems[i]; - } - - try - { - //create a new composite to contain the widgets required to display object messages. - final Composite localComposite = toolkit.createComposite(compositeHolder, SWT.NONE); - localComposite.setData("currentBytePos", 0); - localComposite.setData("startingBytePos", 0); - GridLayout layout = new GridLayout(2, true); - layout.marginWidth = 0; - layout.marginHeight = 0; - localComposite.setLayout(layout); - localComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 3, 1)); - - int startContentSize = DEFAULT_CONTENT_SIZE; - - if (byteArray.length < DEFAULT_CONTENT_SIZE) - { - startContentSize = byteArray.length; - } - - //create a text to display the hexadecimal views of object messages, it takes more space than ascii view as - //a hex uses 2 chars and 1 space, while ascii only uses 1 char and 1 space. - final Text hexText = toolkit.createText(localComposite, - displayByteFormat(localComposite, byteArray, startContentSize * 2, thisEncoding, "<<", true), - SWT.READ_ONLY | SWT.MULTI | SWT.WRAP | SWT.V_SCROLL | SWT.BORDER); - GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1); - gridData.widthHint = 144; //set to 222 if not using any fonts - gridData.heightHint = 200; - hexText.setLayoutData(gridData); - - final Text asciiText = toolkit.createText(localComposite, - displayByteFormat(localComposite, byteArray, startContentSize * 2, thisEncoding, "<<", false), - SWT.READ_ONLY | SWT.MULTI | SWT.WRAP | SWT.V_SCROLL | SWT.BORDER); - - - gridData = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1); - gridData.widthHint = 52;//set to 98 if not using any fonts - gridData.heightHint = 200; - asciiText.setLayoutData(gridData); - - //use a monospaced font for a better layout - Font font = new Font(compositeHolder.getDisplay(), "Courier", 10, SWT.NORMAL); - hexText.setFont(font); - asciiText.setFont(font); - - final ScrollBar hexScrollBar = hexText.getVerticalBar(); - final ScrollBar asciiScrollBar = asciiText.getVerticalBar(); - - //create a sub composite to contain all the buttons - final Composite buttonComposite = toolkit.createComposite(localComposite, SWT.NONE); - layout = new GridLayout(7, false); - layout.marginWidth = 0; - buttonComposite.setLayout(layout); - buttonComposite.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false, 2, 1)); - - _firstButton = toolkit.createButton(buttonComposite, "<<", SWT.PUSH); - GridData layoutData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING); - layoutData.widthHint = 40; - _firstButton.setLayoutData(layoutData); - _firstButton.setToolTipText("See the first n bytes"); - - _previousButton = toolkit.createButton(buttonComposite, "<", SWT.PUSH); - layoutData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING); - layoutData.widthHint = 40; - _previousButton.setLayoutData(layoutData); - _previousButton.setToolTipText("See the previous n bytes"); - _previousButton.setEnabled(false); - - _hexNumTextToStart = toolkit.createText(buttonComposite, "0"); - layoutData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING); - layoutData.widthHint = 40; - _hexNumTextToStart.setLayoutData(layoutData); - _hexNumTextToStart.setEditable(false); - - final Text hexNumText = toolkit.createText(buttonComposite, "" + startContentSize); - layoutData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING); - layoutData.widthHint = 40; - hexNumText.setLayoutData(layoutData); - - _hexNumTextToEnd = toolkit.createText(buttonComposite, "" + (byteArray.length - startContentSize)); - layoutData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING); - layoutData.widthHint = 40; - _hexNumTextToEnd.setLayoutData(layoutData); - _hexNumTextToEnd.setEditable(false); - - _nextButton = toolkit.createButton(buttonComposite, ">", SWT.PUSH); - layoutData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING); - layoutData.widthHint = 40; - _nextButton.setLayoutData(layoutData); - _nextButton.setToolTipText("See the next n bytes"); - _nextButton.setEnabled(true); - - _lastButton = toolkit.createButton(buttonComposite, ">>", SWT.PUSH); - layoutData = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING); - layoutData.widthHint = 40; - _lastButton.setToolTipText("See the last n bytes"); - _lastButton.setLayoutData(layoutData); - - SelectionListener listener = new SelectionAdapter() - { - public void widgetSelected(SelectionEvent e) - { - if (e.widget instanceof Button) - { - String numOfBytes = hexNumText.getText(); - try - { - int n = Integer.parseInt(numOfBytes); - - //Reset range display if user requests a large value - if (n > byteArray.length) - { - n = (byteArray.length > DEFAULT_CONTENT_SIZE) ? DEFAULT_CONTENT_SIZE : byteArray.length; - hexNumText.setText("" + n); - } - - //rest if the user requests 0 - if (n < 1) - { - n = DEFAULT_CONTENT_SIZE; - hexNumText.setText("" + n); - } - - Button button = (Button) e.widget; - hexText.setText(displayByteFormat(localComposite, byteArray, n * 2, thisEncoding, - button.getText(), true)); - asciiText.setText(displayByteFormat(localComposite, byteArray, n * 2, thisEncoding, - button.getText(), false)); - } - catch (NumberFormatException exp) - { - popupErrorMessage("Error", "Please input the number of bytes you wish to look at"); - } - } - if (e.widget instanceof ScrollBar) - { - //synchronize the movements of the two scrollbars - ScrollBar sb = (ScrollBar) e.widget; - if (sb.getParent().equals(hexText)) - { - asciiScrollBar.setIncrement(sb.getIncrement()); - asciiScrollBar.setSelection(sb.getSelection()); - } - else if (sb.getParent().equals(asciiText)) - { - hexScrollBar.setSelection(sb.getSelection()); - hexScrollBar.setIncrement(sb.getIncrement()); - } - } - } - }; - localComposite.addControlListener(new ControlAdapter() - { - public void controlResized(ControlEvent e) - { - //if the control is resized, set different parameters to make a single line displays the same contents. - if (((GridLayout) localComposite.getLayout()).makeColumnsEqualWidth) - { - ((GridLayout) localComposite.getLayout()).makeColumnsEqualWidth = false; - ((GridLayout) localComposite.getLayout()).numColumns = 2; - ((GridData) hexText.getLayoutData()).horizontalSpan = 1; - ((GridData) hexText.getLayoutData()).widthHint = 144; - ((GridData) asciiText.getLayoutData()).horizontalSpan = 1; - ((GridData) asciiText.getLayoutData()).widthHint = 52; - ((GridData) buttonComposite.getLayoutData()).horizontalSpan = 2; - } - else - { - ((GridLayout) localComposite.getLayout()).makeColumnsEqualWidth = true; - ((GridLayout) localComposite.getLayout()).numColumns = 42; //set to 47 if not using any fonts - ((GridData) hexText.getLayoutData()).horizontalSpan = 25; // set to 30 if not using any fonts - ((GridData) asciiText.getLayoutData()).horizontalSpan = 17; // set to 17 if not using any fonts - ((GridData) buttonComposite.getLayoutData()).horizontalSpan = 42; - } - } - }); - - _firstButton.addSelectionListener(listener); - _previousButton.addSelectionListener(listener); - _nextButton.addSelectionListener(listener); - _lastButton.addSelectionListener(listener); - hexScrollBar.addSelectionListener(listener); - asciiScrollBar.addSelectionListener(listener); - //f.dispose(); - } - catch (Exception ex) - { - ex.printStackTrace(); - } - } - - /** - * Format object messages to have a hexadecimal view and a ascii view. - * @param numOfBytes - * @param encoding - * @return - */ - private static String displayByteFormat(Composite localComposite, byte[] byteArray, int numOfBytes, - String encoding, String direction, boolean isHex) - { - final Hex hexeconder = new Hex(); - final byte[] encoded = hexeconder.encode(byteArray); - - int hexLength = byteArray.length * 2; - StringBuilder sb = new StringBuilder(); - int currentBytePos = (Integer) localComposite.getData("currentBytePos"); - int startingBytePos = (Integer) localComposite.getData("startingBytePos"); - - int strLength = 0; - int offset = 0; - String encStr; - if (isHex) - { - if (direction.equals("<<")) - { - strLength = (numOfBytes > hexLength) ? hexLength : numOfBytes; - offset = 0; - } - else if (direction.equals("<")) - { - strLength = (startingBytePos - numOfBytes < 0) ? startingBytePos : numOfBytes; - offset = (startingBytePos - numOfBytes < 0) ? 0 : startingBytePos - numOfBytes; - } - else if (direction.equals(">")) - { - strLength = (numOfBytes > (hexLength - currentBytePos)) ? hexLength - currentBytePos : numOfBytes; - offset = currentBytePos; - } - else if (direction.equals(">>")) - { - strLength = (numOfBytes > hexLength) ? hexLength : numOfBytes; - offset = (hexLength - numOfBytes > 0) ? hexLength - numOfBytes : 0; - } - else - { - strLength = hexLength; - offset = 0; - } - localComposite.setData("strLength", strLength); - localComposite.setData("currentBytePos", offset + strLength); - localComposite.setData("startingBytePos", offset); - - if (_lastButton != null && !_lastButton.isDisposed()) - { - //Set button state - _previousButton.setEnabled(offset != 0); - _nextButton.setEnabled(offset + strLength != hexLength); - - //set the text fields - _hexNumTextToStart.setText("" + offset / 2); - _hexNumTextToEnd.setText("" + (hexLength - (offset + strLength)) / 2); - } - } - - try - { - if (isHex) - { - encStr = new String(encoded, offset, strLength, encoding); - for (int c = 0; c < strLength; c++) - { - sb.append(encStr.charAt(c)); - if (c % 2 == 1) - { - sb.append(" "); - } - } - return sb.toString().toUpperCase(); - } - else - { - strLength = (Integer) localComposite.getData("strLength"); - sb = new StringBuilder(); - encStr = new String(byteArray, startingBytePos / 2, strLength / 2, encoding); - for (int c = 0; c < encStr.length(); c++) - { - char ch = encStr.charAt(c); - if (ch > 31 && ch < 127) - { - sb.append(ch); - } - else - { - sb.append("?"); - } - - sb.append(" "); - } - } - } - catch (UnsupportedEncodingException e) - { - e.printStackTrace(); - } - return sb.toString(); - } - - 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); - } - - public static int popupOkCancelConfirmationMessage(String title, String message) - { - return showBox(title, message,SWT.ICON_QUESTION | SWT.OK | SWT.CANCEL); - } - - - public static Shell createPopupShell(String title, int width, int height) - { - Display display = Display.getCurrent(); - final 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); - - shell.addListener(SWT.Traverse, new Listener () { - public void handleEvent (Event event) { - switch (event.detail) { - case SWT.TRAVERSE_ESCAPE: - shell.close (); - event.detail = SWT.TRAVERSE_NONE; - event.doit = false; - break; - } - } - }); - - return shell; - } - - public static Shell createModalDialogShell(Shell parent, String title) - { - final Shell shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL); - shell.setText(title); - shell.setLayout(new GridLayout()); - - shell.addListener(SWT.Traverse, new Listener () { - public void handleEvent (Event event) { - switch (event.detail) { - case SWT.TRAVERSE_ESCAPE: - shell.close (); - event.detail = SWT.TRAVERSE_NONE; - event.doit = false; - break; - } - } - }); - - 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; - } - } - - public static void setMBeanView(MBeanView mbeanView) - { - _mbeanView = mbeanView; - } - - /** - * Report feedback for the operation - * @param result true if success, false if unsuccessful, null if invoked but void result type. - * @param successMessage - * @param failureMessage - */ - public static void operationResultFeedback(Boolean result, String successMessage, String failureMessage) - { - Image icon; - - if(_mbeanView != null) - { - if(result == null) - { - icon = ApplicationRegistry.getImage(SUCCESS_IMAGE); - _mbeanView.populateStatusBar(icon, successMessage); - } - else if(result) - { - icon = ApplicationRegistry.getImage(SUCCESS_IMAGE); - _mbeanView.populateStatusBar(icon, successMessage); - } - else - { - icon = ApplicationRegistry.getImage(FAILURE_IMAGE); - _mbeanView.populateStatusBar(icon, failureMessage); - popupErrorMessage("Operation Failed", failureMessage); - } - } - } - - public static void operationFailedStatusBarMessage(String failureMessage) - { - Image icon = ApplicationRegistry.getImage(FAILURE_IMAGE); - - if(_mbeanView != null) - { - _mbeanView.populateStatusBar(icon, failureMessage); - } - } - - public static void clearStatusBar() - { - if(_mbeanView != null) - { - _mbeanView.clearStatusBar(); - } - } - - public static void centerChildInParentShell(Shell parent, Shell child) - { - //get current parent shell size and location - int parentLocX = parent.getBounds().x; - int parentLocY = parent.getBounds().y; - int parentWidth = parent.getBounds().width; - int parentHeight = parent.getBounds().height; - - //get current child size - int childWidth = child.getSize().x; - int childHeight = child.getSize().y; - - //centre the child within/over the parent - child.setBounds((parentWidth - childWidth)/2 + parentLocX, - (parentHeight - childHeight)/2 + parentLocY, - childWidth, childHeight); - } - -} |