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/*
* Copyright (C) 2008 The Android Open Source Project
*
* 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.android.apicheck;
import java.lang.Comparable;
import java.util.TreeSet;
public class Errors
{
public static boolean hadError = false;
private static boolean warningsAreErrors = false;
private static TreeSet<Message> allErrors = new TreeSet<Message>();
private static class Message implements Comparable {
SourcePositionInfo pos;
String msg;
Message(SourcePositionInfo p, String m) {
pos = p;
msg = m;
}
public int compareTo(Object o) {
Message that = (Message)o;
int r = this.pos.compareTo(that.pos);
if (r != 0) return r;
return this.msg.compareTo(that.msg);
}
public String toString() {
return this.pos.toString() + this.msg;
}
}
public static void error(Error error, SourcePositionInfo where, String text) {
if (error.level == HIDDEN) {
return;
}
String which = (!warningsAreErrors && error.level == WARNING) ? " warning " : " error ";
String message = which + error.code + ": " + text;
if (where == null) {
where = new SourcePositionInfo("unknown", 0, 0);
}
allErrors.add(new Message(where, message));
if (error.level == ERROR || (warningsAreErrors && error.level == WARNING)) {
hadError = true;
}
}
public static void printErrors() {
for (Message m: allErrors) {
System.err.println(m.toString());
}
}
public static int HIDDEN = 0;
public static int WARNING = 1;
public static int ERROR = 2;
public static void setWarningsAreErrors(boolean val) {
warningsAreErrors = val;
}
public static class Error {
public int code;
public int level;
public Error(int code, int level)
{
this.code = code;
this.level = level;
}
}
public static Error PARSE_ERROR = new Error(1, ERROR);
public static Error ADDED_PACKAGE = new Error(2, WARNING);
public static Error ADDED_CLASS = new Error(3, WARNING);
public static Error ADDED_METHOD = new Error(4, WARNING);
public static Error ADDED_FIELD = new Error(5, WARNING);
public static Error ADDED_INTERFACE = new Error(6, WARNING);
public static Error REMOVED_PACKAGE = new Error(7, WARNING);
public static Error REMOVED_CLASS = new Error(8, WARNING);
public static Error REMOVED_METHOD = new Error(9, WARNING);
public static Error REMOVED_FIELD = new Error(10, WARNING);
public static Error REMOVED_INTERFACE = new Error(11, WARNING);
public static Error CHANGED_STATIC = new Error(12, WARNING);
public static Error CHANGED_FINAL = new Error(13, WARNING);
public static Error CHANGED_TRANSIENT = new Error(14, WARNING);
public static Error CHANGED_VOLATILE = new Error(15, WARNING);
public static Error CHANGED_TYPE = new Error(16, WARNING);
public static Error CHANGED_VALUE = new Error(17, WARNING);
public static Error CHANGED_SUPERCLASS = new Error(18, WARNING);
public static Error CHANGED_SCOPE = new Error(19, WARNING);
public static Error CHANGED_ABSTRACT = new Error(20, WARNING);
public static Error CHANGED_THROWS = new Error(21, WARNING);
public static Error CHANGED_NATIVE = new Error(22, HIDDEN);
public static Error CHANGED_CLASS = new Error(23, WARNING);
public static Error[] ERRORS = {
PARSE_ERROR,
ADDED_PACKAGE,
ADDED_CLASS,
ADDED_METHOD,
ADDED_FIELD,
ADDED_INTERFACE,
REMOVED_PACKAGE,
REMOVED_CLASS,
REMOVED_METHOD,
REMOVED_FIELD,
REMOVED_INTERFACE,
CHANGED_STATIC,
CHANGED_FINAL,
CHANGED_TRANSIENT,
CHANGED_VOLATILE,
CHANGED_TYPE,
CHANGED_VALUE,
CHANGED_SUPERCLASS,
CHANGED_SCOPE,
CHANGED_ABSTRACT,
CHANGED_THROWS,
CHANGED_NATIVE,
};
public static boolean setErrorLevel(int code, int level) {
for (Error e: ERRORS) {
if (e.code == code) {
e.level = level;
return true;
}
}
return false;
}
}
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