org.openlegacy.terminal.support.SimpleScreenIdentifier.java Source code

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Here is the source code for org.openlegacy.terminal.support.SimpleScreenIdentifier.java

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/*******************************************************************************
 * Copyright (c) 2014 OpenLegacy Inc.
 * 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:
 *     OpenLegacy Inc. - initial API and implementation
 *******************************************************************************/
package org.openlegacy.terminal.support;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openlegacy.terminal.FieldAttributeType;
import org.openlegacy.terminal.TerminalPosition;
import org.openlegacy.terminal.TerminalPositionContainer;
import org.openlegacy.terminal.TerminalSnapshot;
import org.openlegacy.terminal.services.ScreenIdentifier;

import java.io.Serializable;
import java.text.MessageFormat;

/**
 * A simple implementation for a screen identifier
 * 
 */
public class SimpleScreenIdentifier implements ScreenIdentifier, TerminalPositionContainer, Serializable {

    private static final long serialVersionUID = 1L;

    private final static Log logger = LogFactory.getLog(SimpleScreenIdentifier.class);

    private TerminalPosition position;
    private String text;
    private FieldAttributeType attribute;

    private boolean supportRightToLeft;

    public SimpleScreenIdentifier(TerminalPosition position, String text, boolean supportRightToLeft) {
        this.position = position;
        this.text = text;
        this.supportRightToLeft = supportRightToLeft;
        this.attribute = FieldAttributeType.Value;
    }

    public SimpleScreenIdentifier(TerminalPosition position, String text, boolean supportRightToLeft,
            FieldAttributeType attribute) {
        this.position = position;
        this.text = text;
        this.supportRightToLeft = supportRightToLeft;
        this.attribute = attribute;
    }

    @Override
    public boolean match(TerminalSnapshot terminalSnapshot) {
        if ((position.getColumn() + text.length() - 1) > terminalSnapshot.getSize().getColumns()) {
            logger.error(
                    MessageFormat.format("Found illegal identifier {0} in position {1}", getText(), getPosition()));
            return false;
        }

        String foundText = terminalSnapshot.getText(position, text.length());
        if (foundText.equals(text)) {
            if (logger.isTraceEnabled()) {
                logger.trace(MessageFormat.format("Found text on screen:\''{0}\'' matched to identifier:\''{1}\''",
                        foundText, text));
            }
            return true;
        }
        if (supportRightToLeft) {
            int identifierEnd = position.getColumn() + text.length() - 2;
            if (identifierEnd > terminalSnapshot.getSize().getColumns()) {
                logger.error(MessageFormat.format("Found illegal identifier {0} in position {1}", getText(),
                        getPosition()));
                return false;
            }
            foundText = terminalSnapshot.getText(new SimpleTerminalPosition(position.getRow(),
                    terminalSnapshot.getSize().getColumns() - identifierEnd), text.length());
            foundText = StringUtils.reverse(foundText);
            if (foundText.equals(text)) {
                return true;
            }
        }
        if (logger.isTraceEnabled()) {
            logger.trace(MessageFormat.format(
                    "Found text on screen:\''{0}\'' wasnt matched to identifier:\''{1}\''", foundText, text));
        }
        return false;
    }

    @Override
    public TerminalPosition getPosition() {
        return position;
    }

    public void setPosition(TerminalPosition position) {
        this.position = position;
    }

    public String getText() {
        return text;
    }

    public void setText(String text) {
        this.text = text;
    }

    public FieldAttributeType getAttribute() {
        return attribute;
    }

    public void setAttribute(FieldAttributeType attribute) {
        this.attribute = attribute;
    }

    @Override
    public String toString() {
        return SnapshotUtils.positionTextToString(position, text);
    }

    @Override
    public boolean equals(Object obj) {
        return EqualsBuilder.reflectionEquals(this, obj);
    }

    @Override
    public int hashCode() {
        return HashCodeBuilder.reflectionHashCode(this);
    }
}