core/plugins/org.eclipse.dltk.launching/src/org/eclipse/dltk/launching/EnvironmentVariable.java

package org.eclipse.dltk.launching;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.dltk.core.DLTKCore;

public class EnvironmentVariable {
	private String name;
	private String value;

	public EnvironmentVariable(EnvironmentVariable var) {
		this(var.getName(), var.getValue());
	}

	public EnvironmentVariable(String name, String value) {
		this.name = name;
		this.value = value;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getValue() {
		return value;
	}

	public void setValue(String value) {
		this.value = value;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((name == null) ? 0 : name.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		final EnvironmentVariable other = (EnvironmentVariable) obj;
		if (name == null) {
			if (other.name != null)
				return false;
		} else if (!name.equals(other.name))
			return false;
		return true;
	}

	public IStatus validate() {
		String name = getName();
		String value = getValue();
		if (name == null && value == null) {
			return new Status(
					IStatus.ERROR,
					DLTKCore.PLUGIN_ID,
					0,
					Messages.EnvironmentVariable_variableNameAndValueMustNotBeEmpty,
					null);
		}
		boolean skipUntilQuote1 = false;
		boolean skipUntilQuote2 = false;
		for (int i = 0; i < value.length(); i++) {
			if (value.charAt(i) == '"' && !skipUntilQuote2) {
				// Skip all until next
				skipUntilQuote1 = !skipUntilQuote1;
				continue;
			}
			if (value.charAt(i) == '\'' && !skipUntilQuote1) {
				skipUntilQuote2 = !skipUntilQuote2;
			}
		}
		if (skipUntilQuote1) {
			return new Status(IStatus.WARNING, DLTKCore.PLUGIN_ID, 0,
					"Missing closing quote(\") in variable " + name, null);
		}
		if (skipUntilQuote2) {
			return new Status(IStatus.WARNING, DLTKCore.PLUGIN_ID, 0,
					"Missing closing quote(') in variable " + name, null);
		}
		return Status.OK_STATUS;
	}

	@Override
	public String toString() {
		return this.name + "=" + this.value; //$NON-NLS-1$
	}
}