| /*=============================================================================# |
| # Copyright (c) 2008, 2021 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.rj.server; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| import org.eclipse.statet.jcommons.lang.Nullable; |
| |
| import org.eclipse.statet.rj.data.RJIO; |
| |
| |
| /** |
| * Server-to-Client list with {@link MainCmdItem}s. |
| */ |
| @NonNullByDefault |
| public final class MainCmdS2CList implements RjsComObject, Externalizable { |
| |
| |
| static final AutoIdMap<ComHandler> gComHandlers= new AutoIdMap<>(); |
| |
| |
| private int id; |
| |
| private boolean isBusy; |
| |
| private @Nullable MainCmdItem first; |
| |
| |
| public MainCmdS2CList(final MainCmdItem first, final boolean isBusy) { |
| this.isBusy= isBusy; |
| this.first= first; |
| } |
| |
| /** |
| * Constructor for automatic deserialization |
| */ |
| public MainCmdS2CList() { |
| this.isBusy= false; |
| this.first= null; |
| } |
| |
| @Override |
| public void writeExternal(final ObjectOutput out) throws IOException { |
| out.writeShort(this.id); |
| |
| out.writeBoolean(this.isBusy); |
| |
| final RJIO io= RJIO.get(out); |
| final int check= io.writeCheck1(); |
| |
| MainCmdItem item= this.first; |
| if (item != null) { |
| do { |
| out.writeByte(item.getCmdType()); |
| item.writeExternal(io); |
| } while ((item= item.next) != null); |
| } |
| out.writeByte(MainCmdItem.T_NONE); |
| |
| io.writeCheck2(check); |
| io.disconnect(out); |
| } |
| |
| @Override |
| public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException { |
| this.id= in.readUnsignedShort(); |
| if (this.id != 0) { |
| gComHandlers.get(this.id).processMainCmd(in); |
| return; |
| } |
| |
| this.isBusy= in.readBoolean(); |
| |
| final RJIO io= RJIO.get(in); |
| try { |
| final int check= io.readCheck1(); |
| |
| MainCmdItem item; |
| { // first |
| final byte cmdType= in.readByte(); |
| if (cmdType == MainCmdItem.T_NONE) { |
| this.first= null; |
| io.readCheck2(check); |
| return; |
| } |
| else { |
| this.first= item= readItem(cmdType, io); |
| } |
| } |
| while (true) { |
| final byte cmdType= in.readByte(); |
| if (cmdType == MainCmdItem.T_NONE) { |
| io.readCheck2(check); |
| return; |
| } |
| else { |
| item= item.next= readItem(cmdType, io); |
| } |
| } |
| } |
| finally { |
| io.disconnect(in); |
| } |
| } |
| |
| private MainCmdItem readItem(final byte cmdType, final RJIO io) throws IOException, ClassNotFoundException { |
| switch (cmdType) { |
| case MainCmdItem.T_CONSOLE_READ_ITEM: |
| return new ConsoleReadCmdItem(io); |
| case MainCmdItem.T_CONSOLE_WRITE_ITEM: |
| return new ConsoleWriteCmdItem(io); |
| case MainCmdItem.T_MESSAGE_ITEM: |
| return new ConsoleMessageCmdItem(io); |
| case MainCmdItem.T_EXT_CLIENT_ITEM: |
| return new ExtClientCmdItem(io); |
| case MainCmdItem.T_MAIN_CTRL_ITEM: |
| return new MainCtrlCmdItem(io); |
| case MainCmdItem.T_DATA_ITEM: |
| return new DataCmdItem(io); |
| case MainCmdItem.T_GRAPHICS_OP_ITEM: |
| return new GraOpCmdItem(io); |
| case MainCmdItem.T_DBG_ITEM: |
| return new DbgCmdItem(io); |
| default: |
| throw new ClassNotFoundException("Unknown cmdtype id: " + cmdType); |
| } |
| } |
| |
| |
| public void clear() { |
| MainCmdItem item= this.first; |
| while (item != null) { |
| final MainCmdItem tmp= item; |
| item= item.next; |
| tmp.next= null; |
| } |
| this.first= null; |
| } |
| |
| public boolean isEmpty() { |
| return (this.first == null); |
| } |
| |
| public void setId(final int id) { |
| this.id= (short) id; |
| } |
| |
| public void setBusy(final boolean isBusy) { |
| this.isBusy= isBusy; |
| } |
| |
| public void setObjects(final MainCmdItem first) { |
| this.first= first; |
| } |
| |
| |
| @Override |
| public int getComType() { |
| return RjsComObject.T_MAIN_LIST; |
| } |
| |
| public MainCmdItem getItems() { |
| return this.first; |
| } |
| |
| public boolean isBusy() { |
| return this.isBusy; |
| } |
| |
| |
| public boolean testEquals(final MainCmdS2CList other) { |
| if (this.isBusy != other.isBusy()) { |
| return false; |
| } |
| |
| MainCmdItem thisItem= this.first; |
| MainCmdItem otherItem= other.first; |
| while (thisItem != null && otherItem != null) { |
| if (!thisItem.equals(otherItem)) { |
| return false; |
| } |
| thisItem= thisItem.next; |
| otherItem= otherItem.next; |
| } |
| if (thisItem != null || otherItem != null) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| final StringBuilder sb= new StringBuilder(128); |
| sb.append("MainCmdS2CList (isBusy="); |
| sb.append(this.isBusy); |
| sb.append("):"); |
| if (this.first == null) { |
| sb.append("\n<ITEM />"); |
| } |
| else { |
| MainCmdItem item= this.first; |
| int i= 0; |
| while (item != null) { |
| sb.append("\n<ITEM i=\""); |
| sb.append(i); |
| sb.append("\">\n"); |
| sb.append(item.toString()); |
| sb.append("\n</ITEM>"); |
| item= item.next; |
| i++; |
| } |
| } |
| return sb.toString(); |
| } |
| |
| } |