added literal statement for when you don't want any magic

This commit is contained in:
Adrian Cole 2013-01-01 17:08:17 -08:00
parent 4f5c93c988
commit f81a0bc016
2 changed files with 76 additions and 0 deletions
scriptbuilder/src/main/java/org/jclouds/scriptbuilder/domain

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@ -0,0 +1,69 @@
/**
* Licensed to jclouds, Inc. (jclouds) under one or more
* contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. jclouds licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.jclouds.scriptbuilder.domain;
import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.base.Objects;
import com.google.common.collect.ImmutableList;
/**
* Statement used in a shell script without modifications apart from a trailing newline.
*
* @author Adrian Cole
*/
public class LiteralStatement implements Statement {
private String statement;
public LiteralStatement(String statement) {
this.statement = checkNotNull(statement, "statement");
}
public String render(OsFamily family) {
return statement + ShellToken.LF.to(family);
}
@Override
public Iterable<String> functionDependencies(OsFamily family) {
return ImmutableList.of();
}
@Override
public int hashCode() {
return Objects.hashCode(statement);
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof LiteralStatement))
return false;
LiteralStatement other = LiteralStatement.class.cast(obj);
return Objects.equal(statement, other.statement);
}
@Override
public String toString() {
return statement + "{lf}";
}
}

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@ -148,6 +148,13 @@ public class Statements {
return new InterpretableStatement(portableStatements);
}
/**
* sends statement only appending a newline
*/
public static Statement literal(String literalStatement) {
return new LiteralStatement(literalStatement);
}
/**
* interprets and adds a newline to the statement
*/