core/plugins/org.eclipse.dltk.debug/src/org/eclipse/dltk/dbgp/internal/DbgpStackLevel.java

/*******************************************************************************
 * Copyright (c) 2005, 2017 IBM Corporation and others.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 * 
 * SPDX-License-Identifier: EPL-2.0
 *
 *******************************************************************************/
package org.eclipse.dltk.dbgp.internal;

import java.net.URI;

import org.eclipse.dltk.dbgp.IDbgpStackLevel;
import org.eclipse.dltk.internal.debug.core.model.StrUtils;

public class DbgpStackLevel implements IDbgpStackLevel {

	private final int level;

	private final int lineNumber;
	private final int methodOffset;
	private final String methodName;

	private final int beginLine;
	private final int beginColumn;

	private final int endLine;
	private final int endColumn;

	private final URI fileUri;

	private final String where;

	public DbgpStackLevel(URI fileUri, String where, int level, int lineNumber,
			int methodOffset, String methodName, int beginLine, int endLine) {
		this(fileUri, where, level, lineNumber, methodOffset, methodName,
				beginLine, -1, endLine, -1);
	}

	public DbgpStackLevel(URI fileUri, String where, int level, int lineNumber,
			int methodOffset, String methodName, int beginLine, int beginColumn,
			int endLine, int endColumn) {
		this.fileUri = fileUri;
		this.level = level;
		this.lineNumber = lineNumber;
		this.methodName = methodName;
		this.methodOffset = methodOffset;
		this.beginLine = beginLine;
		this.beginColumn = beginColumn;
		this.endLine = endLine;
		this.endColumn = endColumn;
		this.where = where;
	}

	@Override
	public String getMethodName() {
		return methodName;
	}

	@Override
	public int getMethodOffset() {
		return methodOffset;
	}

	@Override
	public String getWhere() {
		return where;
	}

	@Override
	public int getLevel() {
		return level;
	}

	@Override
	public int getLineNumber() {
		return lineNumber;
	}

	@Override
	public int getBeginLine() {
		return beginLine;
	}

	@Override
	public int getBeginColumn() {
		return beginColumn;
	}

	@Override
	public int getEndLine() {
		return endLine;
	}

	@Override
	public int getEndColumn() {
		return endColumn;
	}

	@Override
	public URI getFileURI() {
		return fileUri;
	}

	@Override
	public String toString() {
		return "DbgpStackLevel(level: " + level + ", line: " + lineNumber //$NON-NLS-1$ //$NON-NLS-2$
				+ ", begin: " + beginLine + ", end: " + endLine + ")"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((fileUri == null) ? 0 : fileUri.hashCode());
		result = prime * result + level;
		result = prime * result + beginLine;
		result = prime * result + endLine;
		result = prime * result + lineNumber;
		result = prime * result + ((where == null) ? 0 : where.hashCode());
		return result;
	}

	private static boolean equals(URI u1, URI u2) {
		if (u1 == null) {
			return u2 == null;
		} else {
			return u1.equals(u2);
		}
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj) {
			return true;
		}
		if (obj == null) {
			return false;
		}
		if (!(obj instanceof DbgpStackLevel)) {
			return false;
		}
		final DbgpStackLevel other = (DbgpStackLevel) obj;
		if (!equals(fileUri, other.fileUri)) {
			return false;
		}
		if (level != other.level) {
			return false;
		}
		if (beginLine != other.beginLine) {
			return false;
		}
		if (beginColumn != other.beginColumn) {
			return false;
		}
		if (endLine != other.endLine) {
			return false;
		}
		if (endColumn != other.endColumn) {
			return false;
		}
		if (lineNumber != other.lineNumber) {
			return false;
		}
		if (!StrUtils.equals(where, other.where)) {
			return false;
		}
		return true;
	}

	@Override
	public boolean isSameMethod(IDbgpStackLevel other) {
		return equals(fileUri, other.getFileURI())
				&& StrUtils.equals(where, other.getWhere());
	}
}