yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/YinStatementSourceImpl.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
  10
  11 import com.google.common.base.Throwables;
  12 import com.google.common.collect.ForwardingObject;
  13 import com.google.common.io.ByteSource;
  14 import com.google.common.io.ByteStreams;
  15 import com.google.common.io.Files;
  16 import java.io.File;
  17 import java.io.InputStream;
  18 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
  19 import org.opendaylight.yangtools.yang.model.repo.api.YinDomSchemaSource;
  20 import org.opendaylight.yangtools.yang.model.repo.api.YinTextSchemaSource;
  21 import org.opendaylight.yangtools.yang.parser.rfc6020.repo.YinStatementStreamSource;
  22 import org.opendaylight.yangtools.yang.parser.rfc6020.repo.YinTextToDomTransformer;
  23 import org.opendaylight.yangtools.yang.parser.spi.source.PrefixToModule;
  24 import org.opendaylight.yangtools.yang.parser.spi.source.QNameToStatementDefinition;
  25 import org.opendaylight.yangtools.yang.parser.spi.source.StatementStreamSource;
  26 import org.opendaylight.yangtools.yang.parser.spi.source.StatementWriter;
  27
  28 /**
  29  * This class represents implementation of StatementStreamSource
  30  * in order to emit YIN statements using supplied StatementWriter.
  31  *
  32  * @deprecated Scheduled for removal. Use {@link YinStatementStreamSource} instead.
  33  */
  34 @Deprecated
  35 public final class YinStatementSourceImpl extends ForwardingObject implements StatementStreamSource {
  36     private final StatementStreamSource delegate;
  37
  38     private YinStatementSourceImpl(final YinDomSchemaSource source) {
  39         this.delegate = YinStatementStreamSource.create(source);
  40     }
  41
  42     @Override
  43     public StatementStreamSource delegate() {
  44         return delegate;
  45     }
  46
  47     public YinStatementSourceImpl(final InputStream inputStream) {
  48         this(newStreamSource(inputStream));
  49     }
  50
  51     private static YinDomSchemaSource newStreamSource(final InputStream inputStream) {
  52         final SourceIdentifier id = YinTextSchemaSource.identifierFromFilename(inputStream.toString());
  53
  54         try {
  55             final YinTextSchemaSource text = YinTextSchemaSource.delegateForByteSource(id,
  56                 ByteSource.wrap(ByteStreams.toByteArray(inputStream)));
  57             return YinTextToDomTransformer.TRANSFORMATION.apply(text).get();
  58         } catch (Exception e) {
  59             throw Throwables.propagate(e);
  60         }
  61     }
  62
  63     private static YinDomSchemaSource newStreamSource(final String fileName, final boolean isAbsolute) {
  64         try {
  65             final File file;
  66             if (isAbsolute) {
  67                 file = new File(fileName);
  68             } else {
  69                 file = new File(YinStatementSourceImpl.class.getResource(fileName).toURI());
  70             }
  71
  72             final YinTextSchemaSource text = YinTextSchemaSource.delegateForByteSource(
  73                 YinTextSchemaSource.identifierFromFilename(file.getName()), Files.asByteSource(file));
  74
  75             return YinTextToDomTransformer.TRANSFORMATION.apply(text).get();
  76         } catch (Exception e) {
  77             throw Throwables.propagate(e);
  78         }
  79     }
  80
  81     public YinStatementSourceImpl(final String fileName, final boolean isAbsolute) {
  82         this(newStreamSource(fileName, isAbsolute));
  83     }
  84
  85     @Override
  86     public void writePreLinkage(final StatementWriter writer, final QNameToStatementDefinition stmtDef) {
  87         delegate.writePreLinkage(writer, stmtDef);
  88     }
  89
  90     @Override
  91     public void writeLinkage(final StatementWriter writer, final QNameToStatementDefinition stmtDef,
  92             final PrefixToModule preLinkagePrefixes) {
  93         delegate.writeLinkage(writer, stmtDef, preLinkagePrefixes);
  94
  95     }
  96
  97     @Override
  98     public void writeLinkageAndStatementDefinitions(final StatementWriter writer, final QNameToStatementDefinition stmtDef,
  99             final PrefixToModule prefixes) {
 100         delegate.writeLinkageAndStatementDefinitions(writer, stmtDef, prefixes);
 101     }
 102
 103     @Override
 104     public void writeFull(final StatementWriter writer, final QNameToStatementDefinition stmtDef,
 105             final PrefixToModule prefixes) {
 106         delegate().writeFull(writer, stmtDef, prefixes);
 107     }
 108
 109 }