1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/classes/javax/tools/Diagnostic.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,179 @@
1.4 +/*
1.5 + * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package javax.tools;
1.30 +
1.31 +import java.util.Locale;
1.32 +
1.33 +/**
1.34 + * Interface for diagnostics from tools. A diagnostic usually reports
1.35 + * a problem at a specific position in a source file. However, not
1.36 + * all diagnostics are associated with a position or a file.
1.37 + *
1.38 + * <p>A position is a zero-based character offset from the beginning of
1.39 + * a file. Negative values (except {@link #NOPOS}) are not valid
1.40 + * positions.
1.41 + *
1.42 + * <p>Line and column numbers begin at 1. Negative values (except
1.43 + * {@link #NOPOS}) and 0 are not valid line or column numbers.
1.44 + *
1.45 + * @param <S> the type of source object used by this diagnostic
1.46 + *
1.47 + * @author Peter von der Ahé
1.48 + * @author Jonathan Gibbons
1.49 + * @since 1.6
1.50 + */
1.51 +public interface Diagnostic<S> {
1.52 +
1.53 + /**
1.54 + * Kinds of diagnostics, for example, error or warning.
1.55 + *
1.56 + * The kind of a diagnostic can be used to determine how the
1.57 + * diagnostic should be presented to the user. For example,
1.58 + * errors might be colored red or prefixed with the word "Error",
1.59 + * while warnings might be colored yellow or prefixed with the
1.60 + * word "Warning". There is no requirement that the Kind
1.61 + * should imply any inherent semantic meaning to the message
1.62 + * of the diagnostic: for example, a tool might provide an
1.63 + * option to report all warnings as errors.
1.64 + */
1.65 + enum Kind {
1.66 + /**
1.67 + * Problem which prevents the tool's normal completion.
1.68 + */
1.69 + ERROR,
1.70 + /**
1.71 + * Problem which does not usually prevent the tool from
1.72 + * completing normally.
1.73 + */
1.74 + WARNING,
1.75 + /**
1.76 + * Problem similar to a warning, but is mandated by the tool's
1.77 + * specification. For example, the Java™ Language
1.78 + * Specification mandates warnings on certain
1.79 + * unchecked operations and the use of deprecated methods.
1.80 + */
1.81 + MANDATORY_WARNING,
1.82 + /**
1.83 + * Informative message from the tool.
1.84 + */
1.85 + NOTE,
1.86 + /**
1.87 + * Diagnostic which does not fit within the other kinds.
1.88 + */
1.89 + OTHER,
1.90 + }
1.91 +
1.92 + /**
1.93 + * Used to signal that no position is available.
1.94 + */
1.95 + public final static long NOPOS = -1;
1.96 +
1.97 + /**
1.98 + * Gets the kind of this diagnostic, for example, error or
1.99 + * warning.
1.100 + * @return the kind of this diagnostic
1.101 + */
1.102 + Kind getKind();
1.103 +
1.104 + /**
1.105 + * Gets the source object associated with this diagnostic.
1.106 + *
1.107 + * @return the source object associated with this diagnostic.
1.108 + * {@code null} if no source object is associated with the
1.109 + * diagnostic.
1.110 + */
1.111 + S getSource();
1.112 +
1.113 + /**
1.114 + * Gets a character offset from the beginning of the source object
1.115 + * associated with this diagnostic that indicates the location of
1.116 + * the problem. In addition, the following must be true:
1.117 + *
1.118 + * <p>{@code getStartPostion() <= getPosition()}
1.119 + * <p>{@code getPosition() <= getEndPosition()}
1.120 + *
1.121 + * @return character offset from beginning of source; {@link
1.122 + * #NOPOS} if {@link #getSource()} would return {@code null} or if
1.123 + * no location is suitable
1.124 + */
1.125 + long getPosition();
1.126 +
1.127 + /**
1.128 + * Gets the character offset from the beginning of the file
1.129 + * associated with this diagnostic that indicates the start of the
1.130 + * problem.
1.131 + *
1.132 + * @return offset from beginning of file; {@link #NOPOS} if and
1.133 + * only if {@link #getPosition()} returns {@link #NOPOS}
1.134 + */
1.135 + long getStartPosition();
1.136 +
1.137 + /**
1.138 + * Gets the character offset from the beginning of the file
1.139 + * associated with this diagnostic that indicates the end of the
1.140 + * problem.
1.141 + *
1.142 + * @return offset from beginning of file; {@link #NOPOS} if and
1.143 + * only if {@link #getPosition()} returns {@link #NOPOS}
1.144 + */
1.145 + long getEndPosition();
1.146 +
1.147 + /**
1.148 + * Gets the line number of the character offset returned by
1.149 + * {@linkplain #getPosition()}.
1.150 + *
1.151 + * @return a line number or {@link #NOPOS} if and only if {@link
1.152 + * #getPosition()} returns {@link #NOPOS}
1.153 + */
1.154 + long getLineNumber();
1.155 +
1.156 + /**
1.157 + * Gets the column number of the character offset returned by
1.158 + * {@linkplain #getPosition()}.
1.159 + *
1.160 + * @return a column number or {@link #NOPOS} if and only if {@link
1.161 + * #getPosition()} returns {@link #NOPOS}
1.162 + */
1.163 + long getColumnNumber();
1.164 +
1.165 + /**
1.166 + * Gets a diagnostic code indicating the type of diagnostic. The
1.167 + * code is implementation-dependent and might be {@code null}.
1.168 + *
1.169 + * @return a diagnostic code
1.170 + */
1.171 + String getCode();
1.172 +
1.173 + /**
1.174 + * Gets a localized message for the given locale. The actual
1.175 + * message is implementation-dependent. If the locale is {@code
1.176 + * null} use the default locale.
1.177 + *
1.178 + * @param locale a locale; might be {@code null}
1.179 + * @return a localized message
1.180 + */
1.181 + String getMessage(Locale locale);
1.182 +}
