com.google.gwt.dev.javac.Shared Maven / Gradle / Ivy
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/*
* Copyright 2008 Google Inc.
*
* Licensed 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 com.google.gwt.dev.javac;
import com.google.gwt.dev.resource.Resource;
import com.google.gwt.dev.util.Util;
import java.io.IOException;
import java.io.InputStream;
/**
* A grab bag of utility functions useful for dealing with java files.
*/
public class Shared {
public static final int MOD_ABSTRACT = 0x00000001;
public static final int MOD_FINAL = 0x00000002;
public static final int MOD_NATIVE = 0x00000004;
public static final int MOD_PRIVATE = 0x00000008;
public static final int MOD_PROTECTED = 0x00000010;
public static final int MOD_PUBLIC = 0x00000020;
public static final int MOD_STATIC = 0x00000040;
public static final int MOD_TRANSIENT = 0x00000080;
public static final int MOD_VOLATILE = 0x00000100;
public static String getPackageName(String qualifiedTypeName) {
int pos = qualifiedTypeName.lastIndexOf('.');
return (pos < 0) ? "" : qualifiedTypeName.substring(0, pos);
}
public static String getPackageNameFromBinary(String binaryName) {
int pos = binaryName.lastIndexOf('/');
return (pos < 0) ? "" : binaryName.substring(0, pos).replace('/', '.');
}
public static String getShortName(String qualifiedTypeName) {
int pos = qualifiedTypeName.lastIndexOf('.');
return (pos < 0) ? qualifiedTypeName : qualifiedTypeName.substring(pos + 1);
}
public static String getSlashedPackageFrom(String internalName) {
int pos = internalName.lastIndexOf('/');
return (pos < 0) ? "" : internalName.substring(0, pos);
}
/**
* Returns the source name of the Java type defined within the given source Resource.
*/
public static String getTypeName(Resource sourceFile) {
String path = sourceFile.getPath();
assert (path.endsWith(".java"));
path = path.substring(0, path.lastIndexOf('.'));
return path.replace('/', '.');
}
public static String makeTypeName(String packageName, String shortName) {
if (packageName.length() == 0) {
return shortName;
} else {
return packageName + '.' + shortName;
}
}
public static String readSource(Resource sourceFile) throws IOException {
InputStream contents = sourceFile.openContents();
return Util.readStreamAsString(contents);
}
public static String toPath(String qualifiedTypeName) {
return qualifiedTypeName.replace('.', '/') + ".java";
}
/**
* Returns the source name of the type defined within the given path.
*/
public static String toTypeName(String path) {
assert (path.endsWith(".java"));
path = path.substring(0, path.lastIndexOf('.'));
return path.replace('/', '.');
}
}