| /******************************************************************************* |
| * Copyright (c) 2006, 2007 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.memory.provisional; |
| |
| import java.io.UnsupportedEncodingException; |
| import java.math.BigInteger; |
| |
| import org.eclipse.debug.core.model.MemoryByte; |
| import org.eclipse.debug.internal.core.IInternalDebugCoreConstants; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| |
| /** |
| * Abstract implementation of a rendering that translates memory into |
| * text, displayed in a table. |
| * <p> |
| * Clients should subclass from this class if they wish to provide a table |
| * text rendering with a specific code page. |
| * </p> |
| * @since 3.2 |
| */ |
| abstract public class AbstractAsyncTextRendering extends AbstractAsyncTableRendering { |
| |
| private String fCodePage; |
| |
| /** |
| * Constructs a text rendering of the specified type. |
| * |
| * @param renderingId memory rendering type identifier |
| */ |
| public AbstractAsyncTextRendering(String renderingId) |
| { |
| super(renderingId); |
| } |
| |
| /** |
| * Constructs a text rendering of the specified type on the given |
| * code page. |
| * |
| * @param renderingId memory rendering type identifier |
| * @param codePage the name of a supported |
| * {@link java.nio.charset.Charset </code>charset<code>}, for |
| * example <code>CP1252</code> |
| */ |
| public AbstractAsyncTextRendering(String renderingId, String codePage) |
| { |
| super(renderingId); |
| fCodePage = codePage; |
| } |
| |
| /** |
| * Sets the code page for this rendering. This does not cause |
| * the rendering to be updated with the new code page. Clients need |
| * to update the rendering manually when the code page is changed. |
| * |
| * @param codePage the name of a supported |
| * {@link java.nio.charset.Charset </code>charset<code>}, for |
| * example <code>CP1252</code> |
| */ |
| public void setCodePage(String codePage) |
| { |
| fCodePage = codePage; |
| } |
| |
| /** |
| * Returns the current code page used by this rendering. Returns null |
| * if not set. |
| * @return Returns the current code page used by this rendering. Returns null |
| * if not set. |
| */ |
| public String getCodePage() |
| { |
| return fCodePage; |
| } |
| |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.memory.provisional.AbstractAsyncTableRendering#getString(java.lang.String, java.math.BigInteger, org.eclipse.debug.core.model.MemoryByte[]) |
| */ |
| public String getString(String dataType, BigInteger address, MemoryByte[] data) { |
| try { |
| String paddedStr = DebugUIPlugin.getDefault().getPreferenceStore().getString(IDebugUIConstants.PREF_PADDED_STR); |
| if(fCodePage == null) |
| return IInternalDebugCoreConstants.EMPTY_STRING; |
| |
| boolean[] invalid = new boolean[data.length]; |
| boolean hasInvalid = false; |
| byte byteArray[] = new byte[data.length]; |
| for (int i=0; i<data.length; i++) |
| { |
| if (!data[i].isReadable()) |
| { |
| invalid[i] = true; |
| hasInvalid = true; |
| } |
| byteArray[i] = data[i].getValue(); |
| } |
| |
| if (hasInvalid) |
| { |
| StringBuffer strBuf = new StringBuffer(); |
| for (int i=0; i<data.length; i++) |
| { |
| if (invalid[i]) |
| strBuf.append(paddedStr); |
| else |
| strBuf.append(new String(new byte[]{byteArray[i]}, fCodePage)); |
| } |
| return strBuf.toString(); |
| } |
| |
| return new String(byteArray, fCodePage); |
| |
| } catch (UnsupportedEncodingException e) { |
| return "-- error --"; //$NON-NLS-1$ |
| } |
| } |
| |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.memory.provisional.AbstractAsyncTableRendering#getBytes(java.lang.String, java.math.BigInteger, org.eclipse.debug.core.model.MemoryByte[], java.lang.String) |
| */ |
| public byte[] getBytes(String dataType, BigInteger address, MemoryByte[] currentValues, String data) { |
| try { |
| |
| if (fCodePage == null) |
| return new byte[0]; |
| |
| byte[] bytes = data.getBytes(fCodePage); |
| return bytes; |
| |
| } catch (UnsupportedEncodingException e) { |
| return new byte[0]; |
| } |
| } |
| } |