diff options
Diffstat (limited to 'bundles/org.eclipse.wst.command.env.core/src/org/eclipse/wst/command/internal/env/core/fragment/LoopFragment.java')
-rw-r--r-- | bundles/org.eclipse.wst.command.env.core/src/org/eclipse/wst/command/internal/env/core/fragment/LoopFragment.java | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/bundles/org.eclipse.wst.command.env.core/src/org/eclipse/wst/command/internal/env/core/fragment/LoopFragment.java b/bundles/org.eclipse.wst.command.env.core/src/org/eclipse/wst/command/internal/env/core/fragment/LoopFragment.java deleted file mode 100644 index 60cdc9a72..000000000 --- a/bundles/org.eclipse.wst.command.env.core/src/org/eclipse/wst/command/internal/env/core/fragment/LoopFragment.java +++ /dev/null @@ -1,135 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004 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.wst.command.internal.env.core.fragment; - -import org.eclipse.wst.command.internal.env.core.CommandFactory; -import org.eclipse.wst.command.internal.env.core.common.RangeVector; - - -/** - * This class returns a dynamically determined number of - * fragments. This loop will return the fragment parameter - * as long as the stopCondition evaluates to false. Otherwise, - * null is returned. -**/ -public class LoopFragment extends AbstractCommandFragment -{ - private LoopCondition stopCondition_; - private CommandFragment fragment_; - private RangeVector fragmentHistory_; - - /** - * Copy contructor for this fragment. - **/ - protected LoopFragment( LoopFragment fragment ) - { - this( fragment.fragment_, - fragment.stopCondition_, - fragment.getCommandFactory(), - fragment.getId() ); - } - - public LoopFragment( CommandFragment fragment, - LoopCondition stopCondition ) - { - this( fragment, stopCondition, null, "" ); - } - - /** - * @param fragment the fragment that will be returned by the loop. - * @param stopCondition when false the fragment will be returned, - * otherwise null is returned. - * @param state the state passed to the condition. - * @param command the executable command for this fragment. - **/ - public LoopFragment( CommandFragment fragment, - LoopCondition stopCondition, - CommandFactory commandFactory, - String id ) - { - super( commandFactory, id ); - - fragment_ = fragment; - stopCondition_ = stopCondition; - fragmentHistory_ = new RangeVector(); - } - - /** - * Makes a copy of the CommandFragment. - * - * @return returns a copy of this fragment. - **/ - public Object clone() - { - return new LoopFragment( this ); - } - - /** - * Returns the index of the fragment - * - * @param fragment the fragment to search. - * @return the index of this fragment. - **/ - public int indexOf( CommandFragment fragment ) - { - return fragmentHistory_.indexOf( fragment ); - } - - - /** - * Gets the first child fragment for this fragment. - * - * @return returns the first child fragment for this fragment. Returns - * null when there is no first child. - **/ - public CommandFragment getFirstSubFragment() - { - return getNextSubFragment( null ); - } - - /** - * Gets the next child fragment for this fragment. - * - * @return returns the next child fragment for this fragment. Returns null - * when there is no next child. - **/ - public CommandFragment getNextSubFragment( CommandFragment frag ) - { - CommandFragment nextFrag = null; - - if( stopCondition_.evaluate( this, frag ) ) - { - // The stop condition has been met. - // Do nothing. - } - else - { - int fragIndex = indexOf( frag ); - - // Note: when fragment == null the fragIndex - // should be -1. Therefore, if there - // is already a first fragment in - // fragmentHistory that will be returned. - if( fragIndex + 1 < fragmentHistory_.size() ) - { - // We have a copy of the fragment already. - nextFrag = (CommandFragment)(fragmentHistory_.elementAt( fragIndex + 1 )); - } - else - { - nextFrag = (CommandFragment)(fragment_.clone()); - fragmentHistory_.add( nextFrag ); - } - } - - return nextFrag; - } -} |